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.
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363-131 121-55A 14-.5
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classes of the form Dxx.yy) are not retreivable.
SWAB ................................ 15/208+ CONTAINER FOR .....................206/209 CULTURE MEDIUM COMBINED ...........435/292+ DIAGNOSTIC ........................128/759 LUBRICATOR ........................184/102 MAKING ............................19/145+ MEDICATED .........................604/1+ SAMPLING ..........................73/854 VALVED PUMP PISTON ................417/545+ SWAGING BOLT SIDE .........................470/147 CHAIN MAKING SHAPING AND ..........59/30 FILE CUTTING BY ...................76/14 HORSESHOE NAIL SIDE ...............470/119 HORSESHOE SHAPING AND .............59/58 METAL FORGING .....................72 NUT FORGING SIDE ..................470/93 PIPE JOINT ........................285/382 PIPE TO PLATE JOINT ...............285/222 SAW MAKING ........................76/51+ SAW SETTING .......................76/72 SCREW THREADING BY ................470/84+ TOOL SHARPENING BY ................76/89.2 SWARM APPLIANCES .................... 449/27+ SWASH PLATES ........................ 74/60 EXPANSIBLE CHAMBER DEVICE .........92/71 FLOW METER ........................73/244 INTERNAL COMBUSTION ENGINE MULTIPLE PARALLEL CYLINDER .....123/58.R ROTATING CYLINDER ..............123/43.R MOTOR .............................91/472+ PUMP ..............................417/269+ SWATHING ATTACHMENTS ................ 56/189 SWATTERS ............................ 43/137 SWEATER ANIMAL ............................D30/145 APPAREL ...........................2/90 DESIGN .........................D02/750+ KNIT FABRIC .......................66/176 SWEATS OR SWEAT BAND ................ 2/181+ HAT MAKING ........................223/22 SWEEP ANIMAL POWERED MOTOR ..............185/19+ CABLE DRUM ACTUATION ..............254/381+ CIRCUIT CATHODE RAY TUBE HAVING ........315/378 ELECTRONIC TUBE TYPE OSCILLATOR 331 TRIGGERED ......................328/193+ CULTIVATOR SHOVELS ................172/681+ CUTTER ............................30/310+ CAN OPENER .....................30/435+ PLURAL BLADE ...................30/310+ FOUNDRY MOLD MAKING DEVICE ........164/161+ PIVOTED ARM BENDING MACHINE .......72/217 PLOW TRAILING SEPARATELY ATTACHED WINGS ......172/722+ WINGED .........................172/730 SHEET CUTTING MACHINE .............82 WOOD AUGER ........................408/199+ WOOD DISK CUTTING MACHINE .........408/72.R+ SWEEPER BRUSH BROOM VACUUM CARPET STREET ..15 RAKE EG LAWN BROOM ................56/400.17+ SWEEPING COMPOUND ................... 252/88 SWEET POTATO MUSICAL INSTRUMENT ..... 84/380.R SWEETENING MINERAL OIL .......................208/189+ SWELLING ARTIFICIAL FIBERS .................8/130.1+ DYEING COMBINED ................8 FIBER SWELLING & STRETCHING .......8/DIG.3 SWELLS ELECTRIC TONE GENERATION WITH 84/633 EXPRESSION DEVICE ..............84/633 PIANO .............................84/182 PIPE ORGAN ........................84/346+ REED ORGAN ........................84/372 SWIMMING AIDS ..............................441/55+ BUOYANT ........................D21/237+ FOOT ATTACHED ..................441/61+ FOOT FLIPPER ...................441/64 EXERCISING DEVICES ................482/55+ MASK ..............................D29/8+ POOL DESIGN .........................D25/2 GRAB RAIL ......................D25/41 INGROUND .......................52/169.7+ NUCLEAR REACTOR ................376/174 NUCLEAR REACTOR ................376/361 NUCLEAR REACTOR ................376/403 PORTABLE DESIGN ................D21/252 SEA BATHS ......................4/487+ TANK BATHS .....................4/488+ WATER PURIFICATION .............210/169+ SHOES .............................36/8.1 WITH FINS ......................441/76+ STRUCTURE OF POOL .................52/261 CONCRETE .......................52/250 CURVED .........................52/245 SUIT ..............................D02/731+ TEACHING ..........................434/254 SWINGING DOOR ....................... 49/381+ SWINGS AMUSEMENT DEVICE ..................472/118+ DESIGN .........................D21/246 ROUNDABOUT .....................472/33 CHAIRS AND SEATS ..................297 WITH FAN .......................416/146.R SWITCH APPARATUS FOR ELEVATORS ...........187 AUTOMATIC ELECTROMAGNETIC ................335/6+ THERMAL ........................337/298+ AUTOMATIC FOR ACETYLENE GENERATOR .48/7 BATTERY ...........................320 BOX ...............................220/3.2+ BURGLAR ALARM .....................20/61.58R+ SYSTEM .........................340/541+ CHARGING FOR STORAGE BATTERIES ....320 COMBINATION .......................20/1.R+ CONVEYER TYPE CHUTE ..........................193/31.R ROLLERWAY ......................193/36 SKIDWAY ........................193/39 SPIRAL CHUTE ...................193/13 ZIGZAG TUBE ....................193/28 DOOR ACTUATED .....................20/61.62+ ELECTRIC (SEE CONTROLLER) .........20 ARC LAMP SYSTEM HAVING .........314/131 ARC PREVENTING OR EXTINGUISHING 20/144.R+ AUTOMOTIVE VEHICLE COMBINED 70/237 WITH LOCK ....................70/237+ BOX OR HOUSING .................174/53+ CHECK OPERATED .................194/211+ COIN .........................194/239+ COMBINED WITH DISTRIBUTION 307 CIRCUIT ......................307 DESIGN .........................D13/158+ DISPLAY SYSTEM CONTROL .........345+ DOOR OR WINDOW .................20/61.62+ ELECTRIC ILLUMINATING FIXTURE ..362/394 ELECTRIC LAMP HAVING ...........315/32 ELECTROMAGNETIC SWITCHING 361/139+ SYSTEMS ......................361/139+ ELECTRONIC TUBE HAVING .........315/56 ELECTROTHERMALLY ACTUATED ......337 FIRE ACTUATED ..................337/298+ LAMP OR ELECTRONIC TUBE SYSTEM 315/362 HAVING .......................315/362 LIGHT PROJECTOR COMBINED WITH ..362/253 MAGNETICALLY OPERATED ..........335 MAKING .........................29/622 MECHANICALLY ACTUATED, GENERAL .20 MULTIPLE FILAMENT LAMP HAVING ..315/64 PLATE OR SOCKET LIGHTING .......362/95 POSITION OR CONDITION362/802* RESPONSIVE ...................362/802* POST SUPPORTED ELECTRIC LIGHT 362/431 COMBINED WITH ................362/431 SUPPORTED ELECTRIC LIGHT 362/382+ COMBINED WITH ................362/382+ TELEGRAPH CIRCUIT MANIPULATOR ..178/75 TELEPHONE ......................379/422+ TELEPHONE CHECK OPERATED .......379/146+ TELEPHONE SWITCHBOARD ..........379/319+ TELEPHONE SYSTEM AUTOMATIC 335/108 SELECTIVE ....................335/108+ TESTING OF AUTOMATIC TELEPHONE 379/17 TYPE .........................379/17 THERMAL CONTROL OF ALARM .......340/593+ THERMALLY ACTUATED .............335 TROLLEY CONDUCTOR TYPE .........191/38 TUNER WITH .....................334/47+ ELECTRONIC ........................328/76 HEAT CONTROLLED ...................337/298+ INDUCTOR COMBINED WITH SWITCH .....336/105 TO NEUTRALIZE CAPACITANCE ......307/134 INTERFERENCE FROM ELIMINATION .....307/134+ KNIFE .............................20 LUMINOUS FACEPLATE ......................250/465.1 HANDLE OR KEY ..................250/465.1 PUSH BUTTON ....................250/465.1 MOVABLE CARRIER OF TEXTILE BRAIDER 87/16 WITH PATTERN MECHANISM .........87/16 MOVABLE FOR CARRIER OF TEXTILE BRAIDING APPARATUS .............87/37+ PHOTOELECTRICALLY CONTROLLED ......361/173+ PLATES (SEE FACE, PLATES) PNEUMATIC DISPATCH SYSTEM .........406/181+ RAILWAY ...........................246 CABLE ..........................104/184 CABLE SLOT TYPE ................104/195 FOOT GUARD .....................238/380 RAIL JOINT .....................238/165 TRACK ..........................104/130+ TROLLEY CONDUCTOR ..............191/38 STANDS ............................246/393+ AUTOMATIC FACE SETTING .........246/278+ MANUAL OPERATION WITH SIGNAL ACTUATION ....................246/144+ SIGNAL .........................246/476 STOPLIGHT AUTO ...........................20/61.59 HYDRAULIC ......................20/81.R+ STORE SERVICE SYSTEM ..............186/19+ THERMAL RESPONSIVE ................337/298+ HEATED BY ELECTRIC CURRENT .....337/14+ TILTING TRACK SECTION TYPE ........414/354+ VEHICLE UNLOADING ..............414/357 TRAVELLING CRANE SYSTEM ...........414/562 VERTICAL AXIS FOR CUTTING AND CONVEYING HARVESTER ............56/170+ SWITCHBOARD ELECTRIC ..........................361/600+ TELEPHONE .........................379/319+ DIVIDED CENTRAL ................379/310+ THROUGH RINGING ................379/256 SWITCHES MEMBRANE TYPE .....................20/512 ROLAMITE ..........................20/503 SWITCHING SYSTEMS ................... 307 LAMP SYSTEMS ......................315/313+ RELAY SYSTEMS .....................361/160+ SIGNALLING ........................340/286.1+ SELECTIVE ......................340/825+ TRANSMITTERS ...................341 TELEGRAPH .........................178 TELEPHONE .........................379/242 AUTOMATIC ......................379/258+ CALLING ........................379/350+ CENTRAL ........................379/242+ INTERCOMMUNICATING .............379/167+ PARTY LINE .....................379/177+ PLURAL EXCHANGES ...............379/219+ SWITCHBOARD ....................379/310+ SWIVELS ............................. 403/164+ BRACELETS .........................63/10 CHAIN .............................59/95 MAKING .........................59/9 CHUTE HORIZONTAL SWINGING .........193/22 ENDLESS CHAIN PUMPS ...............198/643 FISH BAIT ARTIFICIAL ..............43/42+ FISHHOOKS .........................43/44.83+ PANEL HANGER WHEEL MOUNT ..........16/104 PIPE JOINT ........................285/272+ MULTIPLE .......................285/168 PUNCHING BAG ......................482/87+ RAILWAY CAR SUSPENDING ............105/156 ROD JOINT .........................403/164+ SLEDS MULTIPLE ....................280/17 SOCKET COMBINED ...................24/136.L+ TOOL HANDLE .......................403/52+ TROLLEY HEAD ELECTRIC COLLECTOR ...191/60+ TURNBUCKLE ........................403/60 VALVE DISC ........................251/264+ VALVE GATE ........................251/193+ WATCH CHAIN SNAP HOOK .............24/905* WHEELED VEHICLE RUNNING GEAR ......280/86 WOOD SAW ..........................83/747 SWIZZLE STICK ....................... D07/300.2 SWORDS .............................. 30/165+ CANE ..............................135/66 CARRIER ...........................224/232+ DESIGN ............................D22/118+ HANDLES ...........................D08/DIG.5 PISTOL ............................42/53 SYLPHON T M (SEE BELLOWS) FLOWMETER .........................73/262 FLUID PRESSURE GUAGE ..............73/729.1+ FLUID PRESSURE REGULATOR ..........137/505.36 MAKING ............................29/454 CORRUGATING ....................72/54+ PUMP ..............................417/472+ SYNCHRONIZING CAMERA AND FLASH POWDER ...........354/129+ CAMERA AND PHOTOFLASH TESTING .....356/72 CAMERA SHUTTER RELEASE AND LIGHT ..354/129+ CLOCK .............................368/52 ELECTROMECHANICAL ..............968/506+ ELECTRONIC .....................968/920+ CLUTCHES ..........................192/52+ DYNAMOELECTRIC MACHINE 307/43+ INTERCONNECTION ................307/43+ ELECTRIC MOTOR ....................318/41+ ELECTRIC MOTOR ....................318/85 FLUID PRESSURE BRAKE SYSTEMS ......303/35+ GEARING ...........................74/339+ GOVERNOR ..........................73/507 IMPELLER COMBINED ..............416/34 MOTION PICTURE AND SOUND ..........352/12+ MULTIPLE MOTOR ....................60/700+ MULTIPLE MOTOR ....................60/706+ MUSICAL INSTRUMENT ................84/119 PLURAL RADIO STATIONS .............455/51.1+ TELECOMMUNICATIONS, SATELLITE .....455/13.2 TELEGRAPHY ........................375/106+ TELEGRAPHY MULTIPLEX ..............370/47+ TELEVISION ........................358/148+ RECORDING OR REPRODUCING COLOR 358/319 SIGNAL .......................358/319 SYNCHRONOUS MOTOR ................... 310/162+ CLOCK .............................968/553+ SYSTEMS ...........................318/700+ SYNCHROSCOPE ........................ 324/91 SYNTHESIS ELECTRO ...........................204/59.R+ INORGANIC COMPOUNDS ...............23 ORGANIC COMPOUNDS .................260 POLYMERS (SEE SYNTHETIC RESIN OR NATURAL RUBBER) SYNTHETIC ALUMINA ...........................423/625 DIAMOND AND MAKING ................423/446+ GEM ...............................501/86 RESIN (SEE SYNTHETIC RESIN OR NATURAL RUBBER) RUBBER (SEE RUBBER; SYNTHETIC RESIN OR NATURAL RUBBER) SYNTHETIC RESIN OR NATURAL RUBBER ABS (SEE ALSO PREPARED FROM, BELOW)526/338 ADDITION POLYMERIZATION ...........526/72+ MANIPULATIVE PROCESS FEATURES ..526/59+ ADHESIVE MATERIAL .................520/1+ COMPOSITIONS (SEE CLASS 523,524) ADMIXTURES OF RESINS OR RUBBERS ...525/50+ AFTERTREATMENTS CHEMICAL REACTION INVOLVED .....525/50+ TO PRODUCE ION EXCHANGE RESIN 521/25+ UTILIZING WAVE ENERGY ........522/1+ VULCANIZATION OF RUBBER 525/331.9+ (PRODUCTS) ..................525/331.9+ VULCANIZATION OF RUBBER WITH 525/343+ SULFUR OR SULFUR COMPOUND ...525/343+ WITH ASPHALT OR BITUMINOUS 525/54.5+ MATERIAL ....................525/54.5+ WITH CARBOHYDRATE ............525/54.2+ WITH FATTY ACID OR FATTY 525/50+ ACID GLYCEROL ESTER .........525/50+ WITH NATURAL RESIN ...........525/54.4+ WITH PROTEIN OR BIOLOGICALLY 525/54.1+ ACTIVE POLYPEPTIDE ..........525/54.1+ PHYSICAL TREATMENT .............528/480+ COMPOSITIONS .................523/300+ COMPOSITIONS: CREAMING, 523/335 CONCENTRATING OR 523/335 AGGLOMERATING LATEX .........523/335 NATURAL RUBBER E.G 528/931* EXTRACTION OF RUBBER FROM 528/931* PLANT SOURCE ................528/931* NATURAL RUBBER LATEX .........528/934* NATURAL RUBBER LATEX 528/936* COAGULATING .................528/936* NATURAL RUBBER LATEX 528/937* CONCENTRATING ...............528/937* NATURAL RUBBER LATEX 528/935* PRESERVING ..................528/935* ALKYD RESIN (SOLID POLYMER) .......528/272+ COMPOSITIONS (SEE CLASS 523,524) CONTAINING CHEMICALLY COMBINED 528/295.5 FATTY ACID OR FATTY ACID 528/295.5 GLYCERIDE ....................528/295.5 CONTAINING CHEMICALLY COMBINED 527/604 NATURAL RESIN ................527/604 AMINOPLAST RESIN (SEE ALSO PREPARED528/266 FROM ALDEHYDES, BELOW) .........528/266 BAKELITE T M TYPE RESIN ...........528/129+ BALATA (SEE NATURAL RUBBER, BELOW) BLENDS OF SOLID POLYMERS ..........525/50+ BLOCK AND BLOCK TYPE COPOLYMERS ...524/88+ BUNA T M TYPE RUBBER ..............526/339 BUNA-N (BUTADIENE NITRILE RUBBER) .526/338 CATALYSTS ALDEHYDE POLYMERIZATION ........528/232+ WITH PHENOL ..................528/137+ CHALCOGEN RING OPENING .........528/406+ EPOXY RESIN ....................528/88+ ETHYLENIC POLYMERIZATION .......526/89+ GRAFT POLYMERIZATION .........525/244+ REDOX ........................526/915* TRANSITION METAL .............526/90+ POLYESTER ......................528/274+ WITH ETHYLENIC MONOMER .......525/11+ SILICONE .......................528/12+ URETHANE .......................528/48+ CELLULAR OR POROUS ................521/50+ BLENDS OF SYNTHETIC RESIN OR 521/134+ NATURAL RUBBER ...............521/134+ BLOWING AGENT I.E FOAMING 521/82+ AGENT ........................521/82+ RESIN FORMATION IN THE 521/99+ PRESENCE OF .................521/99+ CARBODIIMIDE POLYMER ...........521/901* DEGRADABILITY ENHANCED .........521/916* DYE OR PIGMENT CONTAINING ......521/920* ELECTRICAL OR WAVE ENERGY USED 521/50.5 DURING CELL FORMING ..........521/50.5 ETHYLENE POLYMER ...............521/143+ FIREPROOFED ....................521/82+ NON-URETHANE RESIN ...........521/907* RESIN FORMATION IN PRESENCE 521/99+ OF FIREPROOFING AGENT .......521/99+ URETHANE RESIN ...............521/906* HYDRAULIC CEMENT CTG (SEE WATER SETTABLE INORGANIC COMPOSITION CTG, BELOW) INTEGRAL SKIN FOAM .............521/51 ISOCYANURATE POLYMER ...........521/902* KICKER OR BLOWING AGENT 521/909* MODERATOR ....................521/909* LATEX RUBBER ...................521/65+ NATURAL RESIN CONTAINING .......521/84.1 SYNTHETIC RESIN FORMATION IN 521/109.1 THE PRESENCE OF .............521/109.1 NATURAL RUBBER CONTAINING ......521/150 LATEX ........................521/65+ NUCLEATING AGENTS FOR ..........521/908* PHENOLIC RESIN .................521/180+ PIGMENT CONTAINING .............521/920* POLYESTER RESIN ................521/182+ WITH UNSATURATED MONOMER .....521/128 PROTEIN CONTAINING .............521/84.1 RESIN FORMATION IN THE 521/109.1 PRESENCE OF .................521/109.1 REDUCED SMOKE FORMATION ........521/903* RETICULATED FOAM ...............521/52 SEPARATED REACTIVE MATERIALS 521/912* E.G "TWO PACKAGE SYSTEM" ....521/912* SINTERING PROCESS FOR521/919* FORMATION OF PORUS PRODUCT ...521/919* STYRENE POLYMER ................521/146+ FOAMED BEADS .................521/56+ SYNTACTIC FOAM .................521/53+ NON RESINOUS HOLLOW PARTICLES 523/218+ URETHANE POLYMER ...............521/155+ VINYL CHLORIDE POLYMER .........521/145 COMPOSITIONS (SEE CLASS 523, 524) ADHESIVE (SEE CLASS 523, 524) ANEROBIC .....................523/176 GLASS SUBSTRATE ..............523/168 ANTIOXIDANT CONTAINING SEE CLASS 523, 524 ANTISATIC ......................524/910* ASPHALT CONTAINING .............524/59+ RESIN PRODUCED IN PRESENCE OF 524/705 WITH EPOXY RESIN .............523/450 WITH POLYESTER-UNSATURATED 523/518 MONOMER .....................523/518 BIOCIDALLY PROTECTED ...........523/122 BITUMEN CTG (SEE ASPHALT CTG, ABOVE) BODY CONTACT OR IMPLANTABLE 523/105+ (INTENDED USE) ...............523/105+ BRAKE SHOE (INTENDED USE) ......523/149+ CARBOHYDRATE CONTAINING ........524/27+ RESIN PRODUCED IN PRESENCE OF 524/732+ WITH EPOXY RESIN .............523/447+ WITH POLYESTER-UNSATURATED 523/509 MONOMER .....................523/509 CARBON BLACK CONTAINING SEE CLASS 523, 524 RESIN PRODUCED IN PRESENCE OF 524/847 SPECIFIED DIMENSION ..........524/495+ WITH EPOXY RESIN .............523/440 WITH POLYESTER-UNSATURATED 523/512 MONOMER .....................523/512 CASTOR OIL CONTAINING ..........524/310 RESIN PRODUCED IN PRESENCE OF 524/769 CELLULAR PLANT OR ANIMAL 524/9+ MATERIAL CONTAINING ..........524/9+ RESIN PRODUCED IN PRESENCE OF 524/702 WITH EPOXY RESIN .............523/446 WITH POLYESTER-UNSATURATED 523/500+ MONOMER .....................523/500+ CELLULOSE ETHER OR ESTER CTG (SEE CARBOHYDRATE CTG, ABOVE) WITH POLYESTER-UNSATURATED 523/509 MONOMER .....................523/509 CHINAWOOD OIL CONTAINING SEE FATTY ACID TRIGLYCERIDE,BELOW COATING (SEE CLASS 523, 524) ANTIFOGGING ..................523/169 GLASS ENAMEL .................523/170 INK FOR GLASS SUBSTRATE ......523/160 CONCRETE CTG (SEE INORGANIC WATER-SETTABLE, BELOW) CONTACT LENS, USED FOR (SEE ALSO523/106+ CLASS 527-937) ...............523/106+ CORK CTG (SEE CELLULAR PLANT OR ANIMAL MATERIAL, ABOVE) DEGRADABILITY ENHANCED I.E PRO-523/124+ DEGRADANT CONTAINING .........523/124+ DISPERSIONS (SEE EMULSIONS, BELOW) DRYING OIL CTG (SEE FATTY ACID TRIGLYCERIDE, BELOW) DYE CTG (SEE CLASS 523,524) EMULSIONS (SEE CLASS 523, 524) AQUEOUS (SEE ALSO 524-501) ...524/800+ EPOXIDE RESIN CONTAINING .......523/400+ FATTY ACID TRIGLYCERIDE CTG ....524/313 RESIN PRODUCED IN PRESENCE OF 524/773+ WITH EPOXY RESIN .............523/455 WITH POLYESTER-UNSATURATED 523/511 MONOMER .....................523/511 FEATHER CTG (SEE CELLULAR PLANT OR ANIMAL MATERIAL, ABOVE) FIREPROOFED (SEE CLASS 523,524) FLUX CTG (SEE CLASS 523,524) FOUNDRY MOLD OR MOLD CORE BINDER523/139+ HAIR CTG (SEE CELLULAR PLANT OR ANIMAL MATERIAL, ABOVE) HEAT STABILIZED (SEE CLASS 523, 524) INORGANIC WATER SETTABLE 524/2+ MATERIAL CTG E.G HYDRAULIC 524/2+ CEMENT .......................524/2+ RESIN PRODUCED IN PRESENCE OF 524/650+ WITH EPOXY RESIN .............523/402+ WITH POLYESTER-UNSATURATED 523/501+ MONOMER .....................523/501+ LACQUER (SEE CLASS 523, 524) LATEX (SEE CLASS 523, 524) COAGULATING ..................528/936* CONCENTRATING ................528/937* CREAMING, AGGLOMERATING OR 523/335 COALESCING ..................523/335 PHYSICAL TREATMENT OF NATURAL 528/934* RUBBER LATEX ................528/934* PRESERVING OR STABILIZING ....528/935* RESIN PRODUCED IN PRESENCE OF 524/800 WATER .......................524/800 LEATHER CTG (SEE CELLULAR PLANT OR ANIMAL MATERIAL, ABOVE) LIGNIN OR TANNIN CONTAINING ....524/76 RESIN PRODUCED IN PRESENCE OF 524/735 WITH EPOXY RESIN .............523/400+ WITH POLYESTER-UNSATURATED 523/500+ MONOMER .....................523/500+ LINSEED OIL CTG (SEE FATTY ACID TRIGLYCERIDE, ABOVE) MOLDING (SEE CLASS 523, 524) NATURAL RESIN CTG (SEE ALSO 524/77 ROSIN , BELOW) ...............524/77 SYNTHETIC RESIN PRODUCED IN 524/764 THE PRESENCE OF .............524/764 WITH EPOXY RESIN .............523/400+ WITH POLYESTER-UNSATURATED 523/500+ MONOMER .....................523/500+ NATURAL RESIN CTG (SEE CLASS 523, 524 TREATED AS POLYISOPRENE) GUAYULE ......................528/930* PHONOGRAPH RECORD (INTENDED 523/174 USE) .........................523/174 PIGMENT CTG (SEE CLASS 523, 524) PLASTICIZER CTG (SEE CLASS 523, 524) PROTEIN OR BIOLOGICALLY ACTIVE 524/17+ POLYPEPTIDE CTG ..............524/17+ RESIN PRODUCED IN PRESENCE OF 524/704 WITH EPOXY RESIN .............523/449 WITH POLYESTER-ETHYLENIC 523/500+ MONOMER .....................523/500+ ROSIN CONTAINING ...............524/270+ SYNTHETIC RESIN PRODUCED IN 524/764 THE PRESENCE OF .............524/764 TANNIN CTG (SEE LIGNIN, ABOVE) TAR CTG (SEE ASPHALT, ABOVE) VARNISH (SEE CLASS 523, 524) WAX CONTAINING .................524/487+ OXYGEN CONTAINING WAX ........524/275+ OXYGEN CTG WAX WITH EPOXY 523/455+ RESIN .......................523/455+ OXYGEN CTG WAX WITH POLYESTER 523/511 UNSATURATED MONOMER .........523/511 RESIN PRODUCED IN PRESENCE OF 524/763+ OXYGEN CTG WAX ..............524/763+ CONDENSATION POLYMERIZATION .......528 MANIPULATIVE PROCESS FEATURES ..526/59+ COUMARONE RESIN ...................526/266+ DACRON T M TYPE RESIN .............528/308.1+ EBONITE T M TYPE RESIN ............525/332.6+ ELASTOMER (SEE RUBBER, BELOW) E P (ETHYLENE-PROPYLENE) ..........526/348+ E P D M (ETHYLENE-PROPYLENE-DIENE 526 MONOMER) .......................526 CURED OR VULCANIZED ............525/331.7+ EPOXIDE RESIN (SEE ALSO CLASSES 528/87+ 525, 528) ......................528/87+ FOAMS .............................521/50+ G R - N (ACRYLONITRILE-BUTADIENE 526/338 RUBBER) ........................526/338 G R - S (STYRENE-BUTADIENE RUBBER) 526/340 GRAFT OR GRAFT TYPE ...............525/50+ GUAYULE (SEE ALSO NATURAL RUBBER) .528/930* HEVEA (SEE NATURAL RUBBER) HYPALON T M TYPE RESIN ............525/333.9 ION EXCHANGE RESIN ................521/25+ IONOMER RESIN SYSTEMS .............525/919* CARBOXYL BEARING ...............526/317.1+ KRATON T M TYPE RESIN (STYRENE- 526/340 BUTADIENE RUBBER) ..............526/340 LEXAN T M TYPE RESIN ..............528/196+ LUCITE T M TYPE RESIN .............526/329.7 MELAMINE RESIN ....................528/254+ NATURAL RUBBER (NOTE: FOR PURPOSES OF THE CLASS 520 SERIES NATURAL RUBBER IS CONSIDERED TO BE POLYISOPRENE) NEOPRENE ..........................526/295 VULCANIZED .....................525/330.9+ NYLON .............................528/310+ PERBUNAN T M TYPE RUBBER (COPOLYMER526/338 BUTADIENE-ACRYLONITRILE) .......526/338 PHENOLIC RESIN ....................528/129+ PHENOPLAST ........................528/129 PHENOXY RESIN .....................528/86+ PLEXIGLAS T M TYPE RESIN526/329.7 (POLYMETHYL METHACRYLATE) ......526/329.7 POLYAMIDE RESIN (SEE ALSO 528-332+)528/310+ POLYCARBODIIMIDE ..................528/44+ POLYESTERS ........................528/272+ POLYIMIDE .........................528/310+ POLYPHENYLENE OXIDE ...............525/905* POLYSULFIDE .......................528/373+ PREPARED FROM ACETYLENE ......................526/285 ACROLEIN .......................526/315 ACRYLATES ......................526/328+ ACRYLIC ACID ...................526/317.1+ ACRYLONITRILE ..................526/341+ ALDEHYDE E.G HOMOPOLYMER OF 528/230 SATURATED ETC ................528/230 ETHYLENICALLY UNSATURATED ....526/315 HYDROCARBON ..................528/247 MELAMINE .....................528/254+ UREA .........................528/259+ WITH AMINE E.G ANILINE ETC ..528/266+ WITH KETONE ..................528/227 WITH PHENOL ..................528/129+ ASPHALT OR BITUMINOUS MATERIAL .527/500 UNSATURATED ..................526/290 BUTADIENE ......................526/335+ CARBOHYDRATES E.G SUGAR, 527/300+ STARCH ETC ...................527/300+ UNSATURATED CARBOHYDRATE 526/238.2+ DERIVATIVE ..................526/238.2+ CARBOXYLIC ACID OR DERIVATIVE ..528/271+ ETHYLENICALLY UNSATURATED ....526/317.1+ CASHEW NUT LIQUOR ..............528/2+ CELLULAR PLANT OR ANIMAL 527/100+ MATERIAL .....................527/100+ CHLOROPRENE ....................526/295 COAL DERIVED MATERIAL SEE ASPHALT OR BITUMINOUS MATERIAL, ABOVE CORK ...........................527/100+ COUMARONE ......................526/266+ DIOLEFIN HYDROCARBON ...........526/335+ CYCLOALIPHATIC ...............526/308 FUSED OR BRIDGED RING ........526/280+ EPOXIDE COMPOUND ...............528/403+ DIGLYCIDYL ETHER OF BISPHENOL 528/87+ COMPOUND (SEE ALSO 525-523+; 528/87+ 525-107+;525-403+) ..........528/87+ ETHYLENICALLY UNSATURATED ....526/273+ ETHYLENE (HOMOPOLYMER) .........526/352+ COPOLYMER ....................526/72+ ETHYLENIC MONOMER (SOLELY 526/72+ THEREFROM) ...................526/72+ WITH NON-ETHYLENIC MONOMER 528 (SEE ALSO CLASS 527)) .......528 FORMALDEHYDE (SEE ALDEHYDE, ABOVE) FURFURAL (SEE ALSO ALDEHYDE, 526/270 ABOVE) .......................526/270 WITH NON-ETHYLENIC MONOMER ...528/230+ HYDROCARBONS ...................528/396+ ETHYLENICALLY UNSATURATED 526/348+ (SEE ALSO 526-335;526-346)) .526/348+ INDENE .........................526/280+ WITH COUMARONE ...............526/266+ ISOBUTYLENE ....................526/348.7 WITH BUTYDIENE ...............526/339 ISOCYANATE COMPOUND ............528/44+ ISOPRENE (NOTE: FOR PURPOSES OF 526/340.2 THE CLASS 520 SERIES NATURAL 526/340.2 RUBBER IS CONSIDERED TO BE 526/340.2 POLYISOPRENE) ................526/340.2 LIGNIN .........................527/400+ MELAMINE (SEE ALDEHYDE, ABOVE) METAL COMPOUNDS ................528/395 ETHYLENICALLY UNSATURATED 526/240 MONOMER .....................526/240 ORGANOMETALLIC ...............528/9 METHACRYLATE ...................526/319+ METHACRYLIC ACID ...............526/317.1+ METHYLMETHACRYLATE .............526/319+ MONOEPOXIDES (SEE EPOXIDE,ABOVE) OLEFIN .........................526/72+ OXIRANE COMPOUNDS (SEE EPOXIDE, ABOVE) PHOSPHOROUS COMPOUNDS ..........528/398+ ETHYLENICALLY UNSATURATED ....526/274+ PLANT EXTRACT OF UNDETERMINED 528/1+ CONSTITUTION .................528/1+ POLYEPOXIDE COMPOUND SEE EPOXIDE,ABOVE PROPYLENE (HOMOPOLYMER) ........526/351 COPOLYMER ....................526/72+ PROTEIN OR BIOLOGICALLY ACTIVE 527/200+ POLYPEPTIDE ..................527/200+ ETHYLENICALLY UNSATURATED 526/238.1 DERIVATIVE ..................526/238.1 SILICON COMPOUND ...............528 ETHYLENICALLY UNSATURATED ....526/279 SI- H OR SI- C ...............528/10+ TANNIN .........................527/400+ ETHYLENICALLY UNSATURATED 526/238.2+ MONOMER .....................526/238.2+ TAR OR PITCH ...................527/500+ ETHYLENICALLY UNSATURATED 526/290 DERIVATIVE ..................526/290 TETRA FLUOROETHYLENE ...........526/242+ UREA (SEE ALDEHYDE, ABOVE) VINYL CHLORIDE .................526/344+ VINYL COMPOUNDS ................526/72+ VINYLIDENE COMPOUNDS ...........526/72+ PURIFICATION OF ...................528/480+ COMPOSITION ....................524/310 RECLAIMING ........................521/40+ RUBBER ............................520/1+ DIENE RUBBER ...................526/72+ SPANDEX T M TYPE ...............528/44+ THIOKOL T M TYPE ...............528/374+ VULCANIZED .....................525/332.5+ E P D M ......................525/331.8 RUBBER HYDROCHOLRIDE ..............525/332.3 SILASTIC (ORGANOSILICON POLYMER) ..528/10+ SILICONE RESIN ....................528/10+ COMPOSITIONS ...................524/858+ ROOM TEMPERATURE VULCANIZING 528/901* (RTV RUBBER) .................528/901* SYNTHETIC RUBBER (FOR PURPOSES OF CLASS 520, IS CONSIDERED TO BE A SYNTHETIC RESIN) TEFLON T M (POLYTETRAFLUORO- 526/255 ETHYLENE) ......................526/255 WAVE ENERGY UTILIZED ..............522/1+ SYNTHOL ............................. 518/700+ SYRINGE DENTAL ............................D24/113+ DISPENSER .........................222/206+ WITH FOLLOWER ..................222/386+ HAND HELD .........................604/187+ PUMP ..............................417/437+ SPECIFIC GRAVITY TESTER ...........73/441+ SPRAYER LIQUID PUMP FEED ...............239/329+ PISTON FEED ....................239/320+ SURGICAL ..........................604/187+ AIR ............................604/26 DESIGN .........................D24/113+ EAR ............................604/187+ EYE ............................604/295+ FLUID OPERATED .................604/131+ FOUNTAIN .......................604/131+ HAND HELD ......................604/187+ HYDRANT ........................604/150 INDICATION OF DEFECT OR USE ....604/111 IRRIGATION .....................604/187+ MOTORIZED ......................128/DIG.1 NOZZLE .........................604/275 PISTON .........................604/218+ POCKET CONTAINER FOR ...........206/364+ PREVENTING REUSE ...............604/110 PROJECTILE .....................604/130 RECEPTACLE FOR .................206/364+ SIPHON .........................604/131+ THERMAL MEDICATOR ..............604/113+ WITH LIGHT AND ELECTRICAL 604/20+ APPLICATION ..................604/20+ SYRUPS CONDIMENTS AND FLAVORS ............426/658+ ELECTROLYTIC TREATMENT ............204/138 MALT ..............................426/44 SUGARS ONLY .......................127/30+ AIRCRAFT CONTROL ...............244/175+ STOVES AND FURNACES ............126 SYSTOLIC PROCESSOR ARRAY PROCESSOR ...................395/800 NEURAL NETWORK ....................395/27