What follows is part of the Index to the US Manual of Classifications for patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retreive patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
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363-131 121-55A 14-.5
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classes of the form Dxx.yy) are not retreivable.
DISINFECTANTS & DISINFECTING ........ 422 APPARATUS FOR TREATING AIR ........422/120+ BATHS CLOSETS SINKS AND SPITTOONS .4/222+ SEWER ..........................4/220 SPITTOON .......................4/261 STRAINER OR STOPPER COVER ......4/294 URINAL .........................4/309+ CABINET COMBINED ..................312/31 DISINFECTANTS .....................424 DISPENSER FOR FLUSH CLOSET ........4/222+ ELECTROLYTIC ......................204/130+ OZONIZER ..........................422/186.7+ PREPARATION AND DISTRIBUTION ......43/127 ANIMAL TREATING ................119/156+ DUSTERS OR SPRAYERS ............239 FUMIGATORS VERMIN DESTROYING ...43/125+ INTERMITTENT DISCHARGE TYPE ....422/123+ RECEPTACLE ATTACHMENT .............220/87.1+ TELEPHONE ATTACHMENT ..............379/452 THERMOMETER CASE ..................206/306 TOBACCO ...........................131/290 ELECTRICAL OR RADIANT ENERGY ...131/299 VAPOR AND FUME GENERATOR ..........422/305+ DISINTEGRATOR (SEE COMMINUTING; CRUSHER) ...........................241 ETCHING WITH ELECTRIC ARC .........219/68+ MACHINING WITH ELECTRON BEAM ......219/68 PAPER FIBER .......................241 PEAT ..............................44/633 ROCK IN SITU ......................299 SUGAR TREATMENT COMBINED ..........127/4 TEXTILE FIBER PREPARATION .........19/82+ TOBACCO LEAF ......................131/311+ FEEDING COMBINED ...............131/109.1 DISK AGRICULTURAL IMPLEMENT ............172/518+ BEARING FOR ....................384/460 BEARING SUPPORT FOR ............384/157 HARVESTER CUTTER ...............56/255+ HARVESTER CUTTER WITH CONVEYOR .56/157+ HEDGE TRIMMER ..................56/235 PLANTING BY DRILLING ...........111/163+ PLOW MOLDBOARD .................172/167 SCRAPER FOR ....................172/558+ SHARPENER COMBINED .............172/437 AMUSEMENT ROUNDABOUT ..............472/40+ ANIMAL POWERED MOTOR ..............185/18 BRAKE .............................188/71.1+ FOR RAILWAY VEHICLE ............188/58+ FOR VELOCIPEDE .................188/26 BRUSH ROTARY ......................15/180 BOOT CLEAN BLACK AND POLISH ....15/34+ HANDLE MOUNT ...................15/28+ STREET SWEEPER .................15/87 CALENDAR ..........................40/113+ CARBON BLACK MAKING COLLECTOR .....422/150+ CARD EXHIBITOR ....................40/495+ CATHODE RAY TUBE STREAM 313/441+ CONCENTRATOR ...................313/441+ CLOCK GEOGRAPHICAL ................368/27 CLOSURE SEAL ......................292/308+ COMMINUTING AND GRINDING ABRADING TOOL ..................51/358+ CHERRY STONER ..................99/566 COMMINUTOR .....................241 CORN SHELLERS ..................460/45 DISC GRINDING ..................51 FLOOR SURFACING MACHINE ........51/177 GRAIN HULLER ...................99/600+ SCOURING MACHINE ...............51/24+ COUNTING MECHANISM ................235/98.R COIN ...........................453/58+ CUTTING ANNULAR DRILLS .................408/204 BARREL STAVE JOINTING CUTTER ...147/29 BUTTON CUTTING .................79/16 CAN OPENER .....................30/435 EARTH BORING TOOL ..............175/373 PIPE CUTTER EXTERNAL ...........30/101+ PORTABLE AUGER .................408/204 ROLLER HAND TOOL ...............30/307 SAW SHARPENING .................76/45 STONE SAWING ...................125/20 SWEEP AUGER ....................408/199+ TOOL SHARPENER .................76/82 TUBULAR SAW WOOD ...............408/204+ WOOD ...........................408/204 WOOD DOVETAILING ...............144/89 WOOD PLANER ROTARY CUTTER ......144/118+ WOOD SAWING KNIFE DISC .........83/469+ WOOD TURNING CHISEL FEED PATTERN ......................142/44 EDUCATIONAL ELEMENTS ..............434/402 ELECTRIC CONDUCTOR INSULATION .....174/111 ELECTRIC GENERATOR ARMATURE .......310/268+ ELECTRODE CONSUMABLE ..............314/44 EVAPORATOR MOVING FILM SUPPORT ....159/9.1+ FEED FOR WOOD LATHE ...............142/19 FEED FOR WOOD SAW MILL CARRIAGE ...83/403.1 FEEDER FOR NAILS ..................470/164+ FLOWMETER VARIABLE RESTRICTION ....73/861.55+ FLUID DISTRIBUTOR ROTARY ..........239/224 GAS AND LIQUID CONTACT IMPELLER ...261/84+ GEAR SECTIONAL BODY ...............74/444+ GEARING FRICTIONAL WHEEL AND ......476/57+ LAMINATED FABRIC DISK MAKING ......156 MAGAZINES FOR TARGET ..............124/46+ MAKING OR WORKING BY ROLLING 72/67 METAL ..........................72/67+ METAL ROLLING APPARATUS WITH 72/80 DISK PLATEN ....................72/80+ MOTION PICTURE ....................352/102+ PAPER CLOSURE ASSEMBLING WITH 493/108 CONTAINER ......................493/108 PROJECTILE HOLDERS ................124/42+ RAILWAY WHEELS ....................295/1+ RECORDER RECORD RECEIVER ..........346/137 RECORDING AND REPRODUCING COMPACT DISK ...................369/275.1+ PLAYER .......................369/100+ FLOPPY DISK ....................360/97.1 PLAYER .......................360/99.1+ OPTICAL DISK ...................369/275.1+ PLAYER .......................369/100+ SHAFT COUPLING YIELDING ELEMENT ...464/98+ NON METALLIC ...................464/92+ SOUND RECORD ......................369/272+ APPARATUS FOR MOLDING WITH LABEL APPLYING ...............425/500+ STACKING RACKS FOR ................211/49.1 VEHICLE LAND WHEEL ................301/63.1+ MAKING .........................29/894.32+ DISLODGING OF ANCHORS ............... 114/297 DISPATCH PNEUMATIC .................. 406 DISPATCHING OF TRAINS ............... 246/2.R+ DISPENSING (SEE NOTES TO MAIN CLASS) 222 ARTICLES ..........................221 BEVERAGE AND FOOD MACHINES ........D07/300+ CABINET ARTICLE ........................221 MIXED DRINKS ...................222/129.1+ SPOOL HOLDER AND THREAD CUTTER .83 TEARING ........................225 TWINE HOLDER WITH CUTTER .......83 COIN HANDLING .....................453 CONFETTI ..........................446/475 CONTAINER TEARING TO FORM SPOUT ...229/213+ DENTAL APPARATUS ..................433/80+ DEPOSIT & COLLECTION RECEPTACLES ..232 DEVICE WITH WHEELS, SKIDS, ETC ....222/608+ FILLING PORTABLE RECEPTACLES WITH FLUENT MATERIAL ................141 FIRE EXTINGUISHERS ................169 GAS DISPENSING ARTICLE ............222/3+ INKWELL ...........................222/576+ MOLTEN METAL ......................222/591+ CONTINUOUS CASTING .............164/437+ PLANTING APPARATUS ................111/25+ REFRIGERATED LIQUIDS ..............62/389+ SPRINKLING, SPRAYING, & DIFFUSING FLUIDS .........................239 STORE DISPENSING SERVICE ..........186 TAPE GUMMED .........................83 LENGTH MEASURING ...............33/732+ LENGTH MEASURING WITH CUTTING ..83/522.11+ MAGAZINE TYPE DISPENSER ........312/34.1+ ROLL OR SPOOL ..................206/389+ WITH FIXED SEVERING EDGE .......225 TRACK SANDERS .....................291 TRAP CHAMBERS .....................222/424.5+ MOVABLE OR CONVEYER TYPE .......222/344+ UNWINDING AND CUTTING FABRICS .....242/55+ VENDING MACHINES ..................D20/1+ WEB OR STRAND FEEDING .............226 DISPERSING (SEE COLLOIDS;EMULSIFYING) AGENTS ............................252/351+ SOLIDS COMBINED ................252/363.5 AGITATING .........................366 COLLOIDS ..........................252/302+ RADIOACTIVE ....................252/634+ COMPOSITIONS INCLUDING AGENTS FOR BITUMINOUS MATERIAL ............106/278 CARBOHYDRATE GUM ...............106/208 CASEIN .........................106/146 CELLULOSE ......................106/203 GLUE OR GELATINE ...............106/135 NATURAL RESIN ..................106/236+ PIGMENTS .......................106/499+ PROLAMINE ......................106/153 PROTEIN ........................106/161 STARCH .........................106/213 SYNTHETIC RESIN (SEE CLASS 523, 524) WAX ............................106/271 DYES INCLUDING AGENTS FOR .........8 FERMENTATION APPARATUS ............435/287+ FOAM CONTROL ...................435/812* MEDIUM FOR COATING OR PLASTIC COMPOSITIONS ...................106/311 SOLID DISINTEGRATING ..............241 DISPLAY ANIMATED ..........................345/121+ GENERATION .....................395/152 BANK COUNTERS .....................109/10+ BOXES .............................217/11 CLOSURES HINGED ................217/58 COMPARTMENTED ..................217/10 DESIGN .........................D09/414+ FOLDING ........................217/9 SLIDING CLOSURE ................217/63 CABINET ...........................312/114+ FROZEN FOOD,PRODUCE OR MEAT ....D06/432+ WITH DISPLAY OPENING ...........312/234 CARD PICTURE AND SIGN .............40 DESIGN .........................D20/10+ DESIGN MISC ....................D20/10+ CATHODE RAY TUBE ..................345/10+ HOUSING OR MOUNTING ASSEMBLY ...361/682 CHANGEABLE EXHIBITOR ..............40/446+ COMPUTER GRAPHICS .................395/118+ CONTAINER CONVERTIBLE FOR STORAGE .206/44.R DEVICE WITH GAS OR LIQUID MOVEMENT 40/406+ DRYING APPARATUS COMBINED .........34/88 EASELS ............................248/441.1+ EDUCATIONAL DEVICES ...............434/365 ELECTROLUMINESCENT ................315/169.3 ELECTROPHOTOGRAPHIC COPIER ........355/271 ENVELOPES .........................229/71 FORMS .............................D20/10+ FURNITURE DESIGN .........................D06 GARMENT FORMS .....................223/66+ GAS PANEL .........................315/169.4 HEADS UP ..........................345/7 HOUSING OR MOUNTING ASSEMBLY WITH ELECTRICAL DEVICES INTEGRATED WITH CIRCUIT ...........345/205+ LETTERS SHEETS ....................229/92.3 LIGHT SYSTEMS ELECTRIC CONTROL ....340/286.1+ LIQUID CRYSTAL ....................359/36+ MATRIX ............................345/55+ MONOGRAM ..........................345/33+ OPERATOR INTERFACE ................395/155+ OPTICAL PROJECTION SCREEN .........359/197+ PACKAGES ..........................206/44.R+ PHOTOGRAPHIC ......................355/18 PRINTED ADVERTISING ...............283/56 RACKS .............................211 FOR PICTURE OR BUSINESS CARD ...40/124 RECEPTACLES .......................206/44.R+ REFRIGERATORS .....................62/246+ OPEN ACCESS ....................62/458 SHOW CASES ........................312/114+ STANDS ............................261/DIG.14 T V CHANNEL .......................358/192.1 THREE DIMENSIONAL MOVABLE FIGURE ..40/411+ TIMEPIECE .........................368/223+ TRAYS .............................206/557+ VEHICLE BODY FEATURE ..............296/21 WOODEN CONTAINERS .................217/9+ WRAPPERS ..........................229/92.3 DISPOSAL CLOSET SINK SPITTOON ..............4 CREMATORY .........................110/194 CUTLERY COMBINED ..................30/124+ INCINERATOR .......................110/235+ INCINERATOR GARBAGE ...............110/235+ NUCLEAR RADIOACTIVE WASTE .........252/626+ NUCLEAR RADIOACTIVE WASTE .........976/DIG.375+ RAZOR COMBINED ....................30/41 RECEPTACLES COLLECTION ............232 SEWAGE TREATMENT ..................210 SEWERAGE ..........................137 DISPROPORTIONATION ALICYCLIC HYDROCARBON SYNTHESIS ...585/375+ AROMATIC SYNTHESIS ................585/470+ HYDROGEN EXCHANGE SEE DEHYDROGENATION; HYDROGENATION OLEFIN SYNTHESIS ..................585/643+ PARAFFIN SYNTHESIS ................585/708 DISSEMINATION (SEE SCATTERING) DISSOLVES IN MOTION PICTURES ........ 352/91.R DISSOLVING (SEE SOLVENT) ............ 423/658.5 ACTINIDE SERIES COMPOUNDS .........423/249+ INORGANIC COMPOUNDS ...............423/210+ SOLIDS TO PRODUCE COOLING .........62/4 DISTANCE MEASURING DEVICES .......... 33/700+ SPEED INTEGRATOR ..................73/490 DISTILLATION APPARATUS .........................202 AZEOTROPIC ........................203/50+ BEVERAGES ALCOHOLIC ...............426 BROMINE OR IODINE .................423/500 CHEMICAL APPARATUS COMBINED .......422/189+ CONVERTIVE ........................203/49 DISTILLATE TREATMENT (SEE VAPOR) DESTRUCTIVE DISTILLATION .......201/29 DISTILLATION COMBINED ..........203 MINERAL OILS ...................208/349 EXTRACTIVE ........................203/50+ FILMING ...........................203/89 FILMING ...........................203/72 FLASH .............................203/88 FLUIDIZED BED .....................201/31 HEATING AND ILLUMINATING GAS ......48 MINERAL OILS ......................208/347+ CONVERSION COMBINED ............208/46+ RECTIFICATION ..................208/350+ SEPARATORY ........................203 STILLS ............................202/81+ MINERAL OIL ....................196/104+ THERMOLYTIC .......................201 DISTILLERY WASTE AS FERTILIZER ...............71/26 STOCK FEED .....................426/635 DISTORTION BUCKING IN AN AMPLIFIER .. 330/149 DISTORTION CONTROL AMPLIFICATION .....................330 AMPLITUDE MODULATION ..............332/159+ FREQUENCY MODULATION ..............332/123+ METAL DEFORMING ...................72/701* PULSE MODULATION ..................332/107 TELEGRAPHY ........................178/69.A TELEPHONE CIRCUIT .................379/414 WAVE TRANSMISSION LINES AND 333 NETWORKS .......................333 DISTRIBUTING MATERIAL AMMUNITION FILAMENTARY MATERIAL ...102/504+ BOLT NAIL NUT RIVET SCREW MAKING ..470/164+ COATING IMPLEMENT WITH 401 MATERIAL SUPPLY ................401 CONVEYER POWER DRIVEN THROWER .....198/638+ CONVEYER THROWER POWERDRIVEN ......198/638+ DISTILLAND IN RETORT ..............201/40 DRYING AGITATORS ......................34/241+ DRUM ROTARY ....................34/130+ KILNS ..........................34/218+ KILNS PLURAL ...................34/210+ PROCESSES ......................34/11 STATIONARY RECEPTACLE ..........34/24 ENSILAGE ..........................406/164+ FLUID CENTRIFUGAL .................239/214+ GEAR WORM .........................74/427 GEARING PRESSURE ..................74/410 HAY ...............................414/25 LETTER BOXES COMPARTMENT ..........232/26 MOBILE ORCHARD TYPE ...............239/77+ PAMPHLETS FROM AIRCRAFT ...........40/216 PASTRY MACHINE COMBINED ...........425/289+ RAILWAY TRACK LAYERS ..............104/5+ ROAD MATERIAL .....................404/101+ SCATTERING UNLOADER ...............239/650+ SIFTERS ...........................209/254 STRATIFIERS .......................209/498 TYPE CASES ........................276/44+ TYPE CASTING MACHINE ..............199/33+ TYPE CASTING MACHINE COMBINED .....199/14+ TYPE SETTING MACHINE ..............276/22+ TYPE SETTING MACHINE COMBINED .....276/2+ DISTRIBUTION BOXES FOR ELECTRIC CONDUCTORS .....174/50+ ELECTRIC CURRENT ..................307 FLUID SEE VENTILATION GAS OR MIST ....................102/367+ HANDLING .......................137 MOTORS EXPANSIBLE CHAMBER ......91 MOTORS VALVE ACTUATION .........91 NOZZLES ........................239 GAS IN GAS MAINS ..................48/190+ DISTRIBUTION AMPLIFIER .............. 330/54 DISTRIBUTOR ELECTRIC AUTO ..............................20/6.R+ IGNITION CIRCUIT ...............315/210 IGNITION SYSTEM ................123/146.5R+ CONDUCTORS COMBINED .......................174/73.1 OVERHEAD .......................174/43 UNDERGROUND ....................174/38 IGNITION STRUCTURE ......................20/23+ SYSTEM .........................123/143.R+ SYSTEM .........................315/211+ INSULATORS COMBINED ...............174/140.R SIGNALLING TRANSMITTERS ...........341/192 SWITCH MULTIPLE CIRCUIT ...........20/1.R+ SWITCH PERIODIC ...................20/19.DR+ SYSTEMS MISCELLANEOUS .............307 TELEGRAPHY MULTIPLEX ..............370/46+ TELEPHONE SWITCHBOARDS ............379/319+ TRANSMISSION TO VEHICLE ...........191/2+ X RAY TUBES POTENTIAL STRESS ......378/139 DITCH FILLER ........................ 37/142.5 DITCHER ............................. 37/347+ ELEVATOR ..........................414/596+ FILLER ............................37/142.5 DITHIAZOLES ......................... 548/123 DITHIONITES REDUCING COMPOSITION ..............252/188.22 DITHIOSULFUROUS ACID ESTERS ......... 560/310 DIVERSITY RECEIVER .................. 455/132+ DIVIDER ASSORTER DISCHARGING ..............209/493 DOUGH, SEVERING APPARATUS GENERAL .225/93 FLEECE ............................19/151 FLUID FLOW PORPORTIONAL ...........137/118+ GAUGES POINT MARKERS ..............33/665 CENTER .........................33/670+ PROPORTIONAL ...................33/663+ HARVESTER TRACK CLEARING ..........56/314 OPPOSED CONTACT ...................33/558.1+ ROAD ..............................404/6+ SCRIBING ..........................33/18.1+ DIVING APPARATUS .................... 405/185+ ARTIFICIAL GILL ...................128/200.25 BOARD .............................482/30+ DESIGN .........................D21/236 HELMETS ...........................2/2.14+ SUITS .............................2/2.14+ AIR OR OXYGEN SUPPLY ...........128/201.29+ BUOYANT OR SWIMMING FEATURE ....441/88+ SUBMARINE WORKING DEVICE .......405/186+ DIVINING RODS ....................... 324/800* DOBBY LOOM .......................... 139/66.R+ GRIFF VIBRATING ...................139/67 DOCK DRYDOCKS ..........................405/4+ FLOATING .......................114/45+ DOCTOR BLADE (SEE DEVICE OR APPARATUS WITH WHICH ASSOCIATED) ELECTROPHOTOGRAPHIC COPIER ........355/299 DOCUMENT ............................ 283 CREATION ..........................395/144+ EDITING ...........................395/146 FORMATTING ........................395/148 HANDLING ELECTROPHOTOGRAPHIC COPIER .....355/308+ HOLDER ELECTROPHOTOGRAPHIC COPIER .....355/230+ SALES .............................283/60.1+ WITH IMAGE ........................395/147 DOCUMENTATION COMPUTER APPLICATION .. 364/419.1+ DOFFING BOBBIN AND COP WINDING COMBINED ...242/41 CARDING COMBINED ..................19/106.A CONVEYER SECTION ..................198/622 GINNING COMBINED DELINTERS ......................19/42+ SAW ............................19/58+ MAGNETIC SOLIDS SEPARATOR OR CLASSIFIER COMBINED ............209/229+ SPINNING, TWISTING, OR TWINING COMBINED .......................57/266+ PREPARATION FOR ................57/276+ VEGETABLE CUTTER OR COMMINUTOR COMBINED PARER AND CORER ................99/542 PARER CORER AND SEGMENTER ......99/543 PARER CORER AND SLICER .........99/543 PEELER OR PARER ................99/588+ DOG COLLAR ............................119/856+ DESIGN .........................D30/152 WITH LEASH OR TETHER ...........119/792+ DRIVEN RATCHET BAR COMBINED .......74/169 FOODSTUFF .........................D01 FOR BOLT ..........................70/467+ FURNACE FIRE ......................126/298 HARNESS ...........................54 HOUSE .............................D30/108+ KENNELS ...........................119/19 MUZZLE ............................119/30+ SAWMILL ...........................83/721 SET WORKS END ..................83/730 SEWING MACHINE FEEDING ............112/324 TURNING LATHE .....................82/166+ WOODWORKING BENCH .................144/306+ DOILY ............................... 428/81+ EMBROIDERY, DESIGN ................D06/613+ FURNITURE PROTECTOR ...............D06/613+ DOLLIES ARTICLE SUPPORTING ................280/47.34+ DESIGN .........................D34/23 HOISTING TRUCKS ...................254/2.R+ RIVET .............................227 WASHING MACHINE ...................68/138 DOLLS ............................... 446/268+ AQUATIC ...........................446/156+ ASSEMBLING AND DISASSEMBLING ......29/805 DESIGN ............................D21/148+ EATING DRINKING NURSING ...........446/304+ SLEEPING ..........................446/345+ TALKING CRYING ....................446/297+ WHEELED ........................446/270+ VOICES ............................446/297+ PNEUMATIC ......................446/188+ WHEELED ...........................446/269+ INFLATABLE .....................446/226 DOLOMITE REFRACTORY COMPOSITIONS .... 501/113 DOME ARCUATE DESIGN ....................D25/19 BUILDING STRUCTURES ...............52/80.1+ FIRE TUBE .........................122/116 GEODESIC DESIGN ...................D25/13 LANTERN ...........................362/182 TUBULAR ........................362/173 LIGHTS VEHICLE ....................362/61 STEAM .............................122/508 SEPARATOR ......................122/492 SUPERHEATER ....................122/486 TRACK SANDER HOPPER ...............291/40 DOMINOES ............................ 273/292+ DONNING EMPTY SPINNING BOBBINS ............57/266+ PREPARATORY ....................57/276+ DOOR (SEE CLOSURE) BAR FOR JAMMING CLOSED ............D08/331+ BELLS ELECTRIC ....................340/392+ BRACES ............................52/291 BRAKES, TRACK OR GUIDEWAY .........16/DIG.2 CABINET SECTIONAL UNIT .................312/109+ SHOWCASE .......................312/138.1+ CHANNEL FOR SLIDING DOOR ..........D25/119+ CHECKS ............................16/82+ CHECKS AND CLOSURES ...............16/49+ CHIMES ............................D10/118 COIN CONTROLLED ...................194 CURVED CAST ARCHWAY ...............52/85 DESIGN ............................D25/48+ ELECTRIC CONTACTS FOR BURGLAR ALARMS ....20/61.93 ELEVATOR ..........................187/51+ FLEXIBLE ROLL .....................160/238+ FOLDING ...........................160/229.1+ SLIDING TOGETHER ...............160/222+ FRAME .............................49/504 IN SITU STRUCTURE ..............52/204.1+ GUARDS ............................49/50+ HANDLES (SEE --,KNOB) .............16/110.R+ LATCH ..........................16/DIG.32 OPENING APPARATUS ..............16/DIG.7 HANGER OR TRACK ...................16/87.R+ HINGES ............................16/221+ JAIL ..............................49/15+ KEYHOLE FLUORESCENT ....................250/466.1 ILLUMINATOR ....................362/100+ KNOB ..............................16/121+ DESIGN .........................D08 WITH SPINDLE ATTACHMENT ........292/347+ KNOCKERS ..........................116/148 DESIGN .........................D08/401+ LAND VEHICLE ......................296/146.1+ LATCH (SEE CLOSURE; FASTENER) LATCH BOLTS, BIASED ...............70/144 DOG FOR BOLT ...................70/467+ LOCK ..............................70/91+ KEEPERS ........................292/340+ RAILWAY ........................105/395 MAT ...............................15/215+ MOTOR VEHICLE (SEE CLOSURE) OPERATORS .........................49/324+ ORNAMENTAL PANEL ..................52/311.1+ OVERHEAD DOOR .....................16/DIG.1 PANEL WARP CORRECTION .............52/291 PLATE OR SIGN FOR .................D20/43+ PLURAL PANELS .....................52/455+ PNEUMATIC-TYPE CLOSER .............D08/330 RAILWAY DUMPING CAR ....................105/280+ EMERGENCY ......................105/348+ PLATFORM TRAP ..................105/426+ VEHICLE RESTRAINED .............246/304+ RELEASERS .........................292/341.16 REMOVERS ..........................414/684.3 TRAVERSING HOIST ...............212/166 SECTIONAL PANEL ...................52/455+ SHIPS .............................114/116+ SILENCER ..........................D08/400 SLIDING ...........................49/404+ STOP ..............................D08/402 STOVE, FURNACE OR OVEN CASINGS FURNACE ................110/181 COOLING FURNACE ................110/180 FURNACE ........................110/173.R+ STOVE ..........................126/190+ SWITCHES ..........................20/61.62+ LAMP OR ELECTRONIC TUBE SYSTEM .315/84 TRACK .............................D08/377 TRIM ..............................52/211+ TROUGHS ...........................49/408 VENTILATING .......................454/195 STOVE ..........................126/198 WORK HOLDER FOR DOOR AND FRAME ....269/905* DOP JEWEL HOLDER .................... 51/229 DOPING TO FORM SEMICONDUCTOR P-N TYPE 437/16+ JUNCTION .......................437/16+ ALLOYING .......................437/134+ DIFFUSING ......................437/141+ FUSING DOPANT WITH SUBSTRATE ...437/134+ USING ENERGY BEAM ..............437/16+ WHILE DEPOSITING MATERIAL ......437/81+ DOPING AGENT SOURCE MATERIAL ........ 252/950* FOR VAPOR TRANSPORT ...............252/951* DOPPLER COMPENSATION SYSTEMS ........ 367/904* DORR CLASSIFIER ..................... 209/462 DOSAGE-RELATED CABINET .............. 312/234+ DOSING DEVICE DISPENSING ........................222 INDICATOR FOR MEDICINE ............116/308 MEDICATORS ........................604 DOT DOT TYPE MOSAIC SCREEN CATHODE RAY 313/472 TUBE ...........................313/472 PRINTER ...........................40/124 DOUBLE ANTIBODY TEST ................ 436/540 DOUBLE BOND SHIFT (SEE ISOMERIZATION) DOUBLER ............................. 202/199 DOUBLET ANTENNA ..................... 343/793+ DOUBLING TWISTING STRANDS COVERING OR WRAPPING ...........57/14 DELIVERY TWIST .................57/59+ ENDS OR HANKS ..................57/26+ RECEIVING TWIST ................57/66+ WINDING BOBBINS AND COPS ..........242/42 FAULT DETECTING ................242/38 FAULT DETECTING LOAD ...........242/40 DOUCHE .............................. 604/36+ HAND HELD .........................604/212 NOZZLE WITH SEPARATE INGRESS & 604/39 EGRESS .........................604/39 TREATING MATERIAL INTRODUCED ......604/54 DOUGH COMPOSITIONS ......................426/549+ CRIMPING DEVICES ..................425/293 CUTTING MACHINES ..................83 DIVIDING MACHINES .................425/289+ FORMING, MOLDING AND WORKING ......425/197+ FORMING, MOLDING AND WORKING ......425/200+ KNEADING MACHINES .................366/69+ KNEADING MACHINES .................425/197+ KNEADING MACHINES .................425/200+ MIXING MACHINES ...................366/69+ PACKAGING OR WRAPPING .............426/392+ PRESSES ...........................425 RAISERS ...........................126/281+ ROLLERS ...........................425/294 ROLLERS ...........................425/329 TESTING ...........................73/169 DOUGHNUT ............................ 426/496 COOKERS DEEP FAT FRYER TYPE ............99/403+ FORMING OR SHAPING COMBINED ....99/354 OPPOSED HEATED SURFACE TYPE ....99/382 SUPPORT COMBINED ...............99/442 DEEP FRY PROCESS ..................426/439 DESIGN ............................D01/120 DOUGH FERMENTATION ................426/18 DOUP HEDDLE ......................... 139/51+ DOVETAILING BEDSTEAD CORNER FASTENING .........5/300 DESIGN .........................D06/503+ CALKS .............................168/35 WOODWORKING .......................144/85+ DOWEL JIGS ..............................408/72.R+ PINS ..............................403/292+ MAKING .........................144/12 MODULE CONNECTOR ...............52/585 ROAD JOINT ........................404/47+ DOWNDRAFT FURNACES ..........................110/315 HOT AIR FURNACE ................126/103 LIQUID HEATERS AND VAPORIZERS FIRE TUBE ......................122/97 WATER TUBE .....................122/286 STOVE .............................126/76 DOWNSPOUT ........................... 52/16 DOXYCYCLINE ......................... 552/203 DRAFT AIR CURRENT BACK DRAFT PREVENTER ...........454/359+ FOR INLET AIRWAY .............454/259 BLAST OR SHOCKWAVE PREVENTER ...454/194 BOILER .........................122 CONTROL TO COMBUSTION CHAMBER ..431/20 DOWNDRAFT FURNACE ..............110/315 FORCED DRAFT FUMIGANT BURNER ...43/125+ HEATING STOVE DOWNDRAFT ........126/76 HOT AIR FURNACE DOWNDRAFT ......126/103 INTERMEDIATE IN SUPERIMPOSED FIRE BOX WITH AIR OR STEAM ...110/267+ STOVE DAMPER ...................126/290 SUPERIMPOSED FIRE BOX AND INTERMEDIATE DRAFT ...........110/317 APPLIANCE ANIMAL .........................278 ARTICULATED VEHICLE TRAIN ......280/400 CABLE HOIST ....................212/76+ CABLE RAILWAY ..................104/193 HORSE DRAWN SWEEP ..............185/23 MONORAIL ANIMAL DRAFT ..........105/143 RAILWAY ........................213 WHEELED HORSE RAKE DRAFT DUMPING ......................56/386+ EQUALIZER ANIMAL DRAFT APPLIANCE .........278/3+ HORSE DRAWN SWEEP ..............185/22 GAUGES ............................73/700+ REGULATOR BOILER .........................122/38 DAMPER .........................126/285.R+ DAMPER AUTOMATIC ...............236/45 FURNACE ........................110/147+ SPARK ARRESTER COMBINED ........110/123 DRAFTING SEE DRAWING BOARD CABINET COMBINED ...............312/231 IMPLEMENT .........................D19/35+ BOX FOR ........................206/371 CURVED RULER TYPE ..............33/561.2+ SCRIBER TYPE ...................33/18.1+ STRAIGHTEDGE TYPE ..............33/403+ TABLE .............................D06/420 TEXTILE FIBERS ....................19/236+ DRAG ANIMAL RESTRAINING ................119/758+ CLASSIFIER ........................209/462 CONVEYER CHAINS ...................198/717+ CONVEYOR CHAINS FOR VISCOUS FLUIDS 198/643 DRILLING PLANTING MACHINE .........111/84 EARTH WORKING .....................172 FISHING REEL ......................242/283+ LAND VEHICLE TYPE OF ..............280/19 LINE SCRAPER ......................172/26.5 METAL CASTING SAND ................164/349+ OIL DISTRIBUTOR ...................114/234 RECIPROCATING SAW MACHINE .........83/746+ SAW GUIDE .........................83/821 SEA ANCHOR ........................114/311 DESIGN .........................D12/215 SHIPS LOG .........................73/184+ SPINNING REEL .....................242/243+ TEXTILE SPINNING AND TWISTING .....57/113 BOBBIN .........................57/72 FLIER TYPE BOBBIN ..............57/70 DRAIN AND DRAINAGE BUILDING CONSTRUCTION .............52/302.1+ CABINETS WITH .....................312/229 CONDUIT ELECTRICAL ................191/26 DISPENSER .........................141/364 FOOTWEAR WITH .....................36/3.R FRYER DEEP FAT ....................99/410+ MACHINE FLUID TREATING ............68/208 PHOTOGRAPHIC WET PLATES ...........354/280 PIPE CLEANER ......................15/104.31+ PUMP ..............................417/437 ROAD OR PAVEMENT ..................404/2+ ROLL TYPE CLOTHES WRINGER .........68/271 ROOFING INTERIOR ..................52/553 GUTTER .........................52/11+ SAFES OR BANKS ....................109/28 SAND ..............................405/50 SEWERAGE ..........................210/163+ SHIELD ............................D23/261 SINK ..............................4/650+ SOIL ..............................405/36+ STATIC MOLD HAVING FLUID ..........249/141 SUGAR CENTRIFUGALS ................127/19 SURGICAL ..........................604/264+ TABLE SURGICAL ....................108/24 WASHING MACHINES ..................68/208 WRINGER ROLL ......................68/271 DRAIN BOARD (SEE DISH, DRAINER) SINK ACCESSORY ....................D32/56 TUB WITH ..........................4/637 ATTACHMENT .....................4/656 DESIGN .........................D23/277+