Index to all US Patent Classes

Click on the patent class number to jump to that class' list of subclasses.

Class: 2 APPAREL
Class: 4 BATHS, CLOSETS, SINKS, AND SPITTOONS
Class: 5 BEDS
Class: 7 COMPOUND TOOLS
Class: 8 BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS
Class: 12 BOOT AND SHOE MAKING
Class: 14 BRIDGES
Class: 15 BRUSHING, SCRUBBING, AND GENERAL CLEANING
Class: 16 MISCELLANEOUS HARDWARE
Class: 19 TEXTILES: FIBER PREPARATION
Class: 23 CHEMISTRY: PHYSICAL PROCESSES
Class: 24 BUCKLES, BUTTONS, CLASPS, ETC.
Class: 26 TEXTILES: CLOTH FINISHING
Class: 27 UNDERTAKING
Class: 28 TEXTILE: MANUFACTURING
Class: 29 METAL WORKING
Class: 30 CUTLERY
Class: 33 GEOMETRICAL INSTRUMENTS
Class: 34 DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS
Class: 36 BOOTS, SHOES AND LEGGINGS
Class: 37 EXCAVATING
Class: 38 TEXTILES: IRONING AND SMOOTHING
Class: 40 CARD, PICTURE, OR SIGN EXHIBITING
Class: 42 FIREARMS
Class: 43 FISHING, TRAPPING, AND VERMIN DESTROYING
Class: 44 FUEL AND RELATED COMPOSITIONS
Class: 47 PLANT HUSBANDRY
Class: 48 GAS: HEATING AND ILLUMINATING
Class: 49 MOVABLE OR REMOVABLE CLOSURES
Class: 51 ABRADING
Class: 52 STATIC STRUCTURES (E.G., BUILDINGS)
Class: 53 PACKAGE MAKING
Class: 54 HARNESS
Class: 55 GAS SEPARATION
Class: 56 HARVESTERS
Class: 57 TEXTILES: SPINNING, TWISTING, AND TWINING
Class: 59 CHAIN, STAPLE, AND HORSESHOE MAKING
Class: 60 POWER PLANTS
Class: 62 REFRIGERATION
Class: 63 JEWELRY
Class: 65 GLASS MANUFACTURING
Class: 66 TEXTILE: KNITTING
Class: 68 TEXTILES: FLUID TREATING APPARATUS
Class: 69 LEATHER MANUFACTURES
Class: 70 LOCKS
Class: 71 CHEMISTRY: FERTILIZERS
Class: 72 METAL DEFORMING
Class: 73 MEASURING AND TESTING
Class: 74 MACHINE ELEMENT OR MECHANISM
Class: 75 SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWER COMPOSITIONS, ETC.
Class: 76 METAL TOOLS AND IMPLEMENTS, MAKING
Class: 79 BUTTON MAKING
Class: 81 TOOLS
Class: 82 TURNING
Class: 83 CUTTING
Class: 84 MUSIC
Class: 86 AMMUNITION AND EXPLOSIVE-CHARGE MAKING
Class: 87 TEXTILES: BRAIDING, NETTING, AND LACE MAKING
Class: 89 ORDNANCE
Class: 91 MOTORS: EXPANSIBLE CHAMBER TYPE
Class: 92 EXPANSIBLE CHAMBER DEVICES
Class: 95 GAS SEPARATION: PROCESSES
Class: 96 GAS SEPARATION: APPARATUS
Class: 99 FOODS AND BEVERAGES: APPARATUS
Class: 100 PRESSES
Class: 101 PRINTING
Class: 102 AMMUNITION AND EXPLOSIVES
Class: 104 RAILWAYS
Class: 105 RAILWAY ROLLING STOCK
Class: 106 COMPOSITIONS: COATING OR PLASTIC
Class: 108 HORIZONTALLY SUPPORTED PLANAR SURFACES
Class: 109 SAFES, BANK PROTECTION, OR A RELATED DEVICE
Class: 110 FURNACES
Class: 111 PLANTING
Class: 112 SEWING
Class: 114 SHIPS
Class: 116 SIGNALS AND INDICATORS
Class: 118 COATING APPARATUS
Class: 119 ANIMAL HUSBANDRY
Class: 122 LIQUID HEATERS AND VAPORIZERS
Class: 123 INTERNAL-COMBUSTION ENGINES
Class: 124 MECHANICAL GUNS AND PROJECTORS
Class: 125 STONE WORKING
Class: 126 STOVES AND FURNACES
Class: 127 SUGAR, STARCH, AND CARBOHYDRATES
Class: 128 SURGERY
Class: 131 TOBACCO
Class: 132 TOILET
Class: 134 CLEANING AND LIQUID CONTACT WITH SOLIDS
Class: 135 TENT, CANOPY, UMBRELLA, OR CANE
Class: 136 BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC
Class: 137 FLUID HANDLING
Class: 138 PIPES AND TUBULAR CONDUITS
Class: 139 TEXTILES: WEAVING
Class: 140 WIREWORKING
Class: 141 FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS
Class: 142 WOOD TURNING
Class: 144 WOODWORKING
Class: 147 COOPERING
Class: 148 METAL TREATMENT
Class: 149 EXPLOSIVE AND THERMIC COMPOSITIONS OR CHARGES
Class: 150 PURSES, WALLETS, AND PROTECTIVE COVERS
Class: 152 RESILIENT TIRES AND WHEELS
Class: 156 ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE
Class: 157 WHEELWRIGHT MACHINES
Class: 159 CONCENTRATING EVAPORATORS
Class: 160 FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL
Class: 162 PAPER MAKING AND FIBER LIBERATION
Class: 163 NEEDLE AND PIN MAKING
Class: 164 METAL FOUNDING
Class: 165 HEAT EXCHANGE
Class: 166 WELLS
Class: 168 FARRIERY
Class: 169 FIRE EXTINGUISHERS
Class: 171 UNEARTHING PLANTS OR BURIED OBJECTS
Class: 172 EARTH WORKING
Class: 173 TOOL DRIVING OR IMPACTING
Class: 174 ELECTRICITY: CONDUCTORS AND INSULATORS
Class: 175 BORING OR PENETRATING THE EARTH
Class: 177 WEIGHING SCALES
Class: 178 TELEGRAPHY
Class: 180 MOTOR VEHICLES
Class: 181 ACOUSTICS
Class: 182 FIRE ESCAPE, LADDER, OR SCAFFOLD
Class: 184 LUBRICATION
Class: 185 MOTORS: SPRING, WEIGHT, OR ANIMAL POWERED
Class: 186 MERCHANDISING
Class: 187 ELEVATORS
Class: 188 BRAKES
Class: 190 TRUNKS AND HAND-CARRIED LUGGAGE
Class: 191 ELECTRICITY: TRANSMISSION TO VEHICLES
Class: 192 CLUTCHES AND POWER-STOP CONTROL
Class: 193 CONVEYORS, CHUTES, SKIDS, GUIDES, AND WAYS
Class: 194 CHECK-ACTUATED CONTROL MECHANISMS
Class: 196 MINERAL OILS: APPARATUS
Class: 198 CONVEYORS: POWER-DRIVEN
Class: 199 TYPE CASTING
Class: 200 ELECTRICITY: CIRCUIT MAKERS AND BREAKERS
Class: 201 DISTILLATION: PROCESSES, THERMOLYTIC
Class: 202 DISTILLATION: APPARATUS
Class: 203 DISTILLATION: PROCESSES, SEPARATORY
Class: 204 CHEMISTRY: ELECTRICAL AND WAVE ENERGY
Class: 205 ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS
Class: 206 SPECIAL RECEPTACLE OR PACKAGE
Class: 208 MINERAL OILS: PROCESSES AND PRODUCTS
Class: 209 CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
Class: 210 LIQUID PURIFICATION OR SEPARATION
Class: 211 SUPPORTS: RACKS
Class: 212 TRAVERSING HOISTS
Class: 213 RAILWAY DRAFT APPLIANCES
Class: 215 BOTTLES AND JARS
Class: 217 WOODEN RECEPTACLES
Class: 219 ELECTRIC HEATING
Class: 220 RECEPTACLES
Class: 221 ARTICLE DISPENSING
Class: 222 DISPENSING
Class: 223 APPAREL APPARATUS
Class: 224 PACKAGE AND ARTICLE CARRIERS
Class: 225 SEVERING BY TEARING OR BREAKING
Class: 226 ADVANCING MATERIAL OF INDETERMINATE LENGTH
Class: 227 ELONGATED-MEMBER-DRIVING APPARATUS
Class: 228 METAL FUSION BONDING
Class: 229 ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES
Class: 231 WHIPS AND WHIP APPARATUS
Class: 232 DEPOSIT AND COLLECTION RECEPTACLES
Class: 234 SELECTIVE CUTTING (E.G., PUNCHING)
Class: 235 REGISTERS
Class: 236 AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
Class: 237 HEATING SYSTEMS
Class: 238 RAILWAYS: SURFACE TRACK
Class: 239 FLUID SPRINKLING, SPRAYING, AND DIFFUSING
Class: 241 SOLID MATERIAL COMMINUTION OR DISINTEGRATION
Class: 242 WINDING AND REELING
Class: 244 AERONAUTICS
Class: 245 WIRE FABRICS AND STRUCTURE
Class: 246 RAILWAY SWITCHES AND SIGNALS
Class: 248 SUPPORTS
Class: 249 STATIC MOLDS
Class: 250 RADIANT ENERGY
Class: 251 VALVES AND VALVE ACTUATION
Class: 252 COMPOSITIONS
Class: 254 IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE
Class: 256 FENCES
Class: 257 ACTIVE SOLID STATE DEVICES (E.G., TRANSISTORS, SOLID STATE DIODES)
Class: 258 RAILWAY MAIL DELIVERY
Class: 260 CHEMISTRY OF CARBON COMPOUNDS
Class: 261 GAS AND LIQUID CONTACT APPARATUS
Class: 264 PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Class: 266 METALLURGICAL APPARATUS
Class: 267 SPRING DEVICES
Class: 269 WORK HOLDERS
Class: 270 SHEET-MATERIAL ASSOCIATING
Class: 271 SHEET FEEDING OR DELIVERING
Class: 273 AMUSEMENT DEVICES: GAMES
Class: 276 TYPESETTING
Class: 277 JOINT PACKING
Class: 278 LAND VEHICLES: ANIMAL DRAFT APPLIANCES
Class: 279 CHUCKS OR SOCKETS
Class: 280 LAND VEHICLES
Class: 281 BOOKS, STRIPS, AND LEAVES
Class: 283 PRINTED MATTER
Class: 285 PIPE JOINTS OR COUPLINGS
Class: 289 KNOTS AND KNOT TYING
Class: 290 PRIME-MOVER DYNAMO PLANTS
Class: 291 TRACK SANDERS
Class: 292 CLOSURE FASTENERS
Class: 293 VEHICLE FENDERS
Class: 294 HANDLING: HAND AND HOIST-LINE IMPLEMENTS
Class: 295 RAILWAY WHEELS AND AXLES
Class: 296 LAND VEHICLES: BODIES AND TOPS
Class: 297 CHAIRS AND SEATS
Class: 298 LAND VEHICLES: DUMPING
Class: 299 MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL
Class: 300 BRUSH, BROOM, AND MOP MAKING
Class: 301 LAND VEHICLES: WHEELS AND AXLES
Class: 303 FLUID-PRESSURE BRAKE AND ANALOGOUS SYSTEMS
Class: 305 WHEEL SUBSTITUTES FOR LAND VEHICLES
Class: 307 ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS
Class: 310 ELECTRICAL GENERATOR OR MOTOR STRUCTURE
Class: 312 SUPPORTS: CABINET STRUCTURE
Class: 313 ELECTRIC LAMP AND DISCHARGE DEVICES
Class: 314 ELECTRIC LAMP AND DISCHARGE DEVICES, CONSUMABLE ELECTRODES
Class: 315 ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS
Class: 318 ELECTRICITY: MOTIVE POWER SYSTEMS
Class: 320 ELECTRICITY: BATTERY AND CONDENSER CHARGING AND DISCHARGING
Class: 322 ELECTRICITY: SINGLE GENERATOR SYSTEMS
Class: 323 ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS
Class: 324 ELECTRICITY: MEASURING AND TESTING
Class: 328 MISCELLANEOUS ELECTRON SPACE DISCHARGE DEVICE SYSTEMS
Class: 329 DEMODULATORS
Class: 330 AMPLIFIERS
Class: 331 OSCILLATORS
Class: 332 MODULATORS
Class: 333 WAVE TRANSMISSION LINES AND NETWORKS
Class: 334 TUNERS
Class: 335 ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNET, AND ELECTROMAGNETS
Class: 336 INDUCTOR DEVICES
Class: 337 ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED
Class: 338 ELECTRICAL RESISTORS
Class: 340 COMMUNICATIONS: ELECTRICAL
Class: 341 CODED DATA GENERATION OR CONVERSION
Class: 342 COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)
Class: 343 COMMUNICATIONS: RADIO WAVE ANTENNAS
Class: 345 SELECTIVE VISUAL DISPLAY SYSTEMS
Class: 346 RECORDERS
Class: 347 INCREMENTAL PRINTING OF SYMBOLIC INFORMATION
Class: 351 OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING
Class: 352 OPTICS: MOTION PICTURES
Class: 353 OPTICS: IMAGE PROJECTORS
Class: 354 PHOTOGRAPHY
Class: 355 PHOTOCOPYING
Class: 356 OPTICS: MEASURING AND TESTING
Class: 358 PICTORIAL COMMUNICATION; TELEVISION
Class: 359 OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS
Class: 360 DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL
Class: 361 ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES
Class: 362 ILLUMINATION
Class: 363 ELECTRIC POWER CONVERSION SYSTEMS
Class: 364 ELECTRICAL COMPUTERS AND DATA PROCESSING SYSTEMS
Class: 365 STATIC INFORMATION STORAGE AND RETRIEVAL
Class: 366 AGITATING
Class: 367 COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES
Class: 368 HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES
Class: 369 DYNAMIC INFORMATION STORAGE OR RETRIEVAL
Class: 370 MULTIPLEX COMMUNICATIONS
Class: 371 ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY
Class: 372 COHERENT LIGHT GENERATORS
Class: 373 INDUSTRIAL ELECTRIC HEATING FURNACES
Class: 374 THERMAL MEASURING AND TESTING
Class: 375 PULSE OR DIGITAL COMMUNICATIONS
Class: 376 INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS
Class: 377 ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS CIRCUITS AND SYSTEMS
Class: 378 X-RAY OR GAMMA RAY SYSTEMS OR DEVICES
Class: 379 TELEPHONIC COMMUNICATIONS
Class: 380 CRYPTOGRAPHY
Class: 381 ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES
Class: 382 IMAGE ANALYSIS
Class: 383 FLEXIBLE BAGS
Class: 384 BEARINGS
Class: 385 OPTICAL WAVEGUIDES
Class: 388 ELECTRICITY: MOTOR CONTROL SYSTEMS
Class: 392 ELECTRIC RESISTANCE HEATING DEVICES
Class: 395 INFORMATION PROCESSING SYSTEM ORGANIZATION
Class: 400 TYPEWRITING MACHINES [67K]
Class: 401 COATING IMPLEMENTS WITH MATERIAL SUPPLY
Class: 402 BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET
Class: 403 JOINTS AND CONNECTIONS
Class: 404 ROAD STRUCTURE, PROCESS, OR APPARATUS
Class: 405 HYDRAULIC AND EARTH ENGINEERING
Class: 406 CONVEYORS: FLUID CURRENT
Class: 407 CUTTERS, FOR SHAPING
Class: 408 CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL
Class: 409 GEAR CUTTING, MILLING, OR PLANING
Class: 410 FREIGHT ACCOMMODATION ON FREIGHT CARRIER
Class: 411 EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
Class: 412 BOOKBINDING: PROCESS AND APPARATUS
Class: 413 SHEET METAL CONTAINER MAKING
Class: 414 MATERIAL OR ARTICLE HANDLING [63K]
Class: 415 ROTARY KINETIC FLUID MOTORS OR PUMPS
Class: 416 FLUID REACTION SURFACES (I.E., IMPELLERS)
Class: 417 PUMPS
Class: 418 ROTARY EXPANSIBLE CHAMBER DEVICES
Class: 419 POWDER METALLURGY PROCESSES
Class: 420 ALLOYS OR METALLIC COMPOSITIONS
Class: 422 CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING
Class: 423 CHEMISTRY OF INORGANIC COMPOUNDS
Class: 424 DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS
Class: 425 PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Class: 426 FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND PRODUCTS
Class: 427 COATING PROCESSES
Class: 428 STOCK MATERIAL OR MISCELLANEOUS ARTICLES
Class: 429 CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS
Class: 430 RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF
Class: 431 COMBUSTION
Class: 432 HEATING
Class: 433 DENTISTRY
Class: 434 EDUCATION AND DEMONSTRATION
Class: 435 CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY
Class: 436 CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING
Class: 437 SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
Class: 439 ELECTRICAL CONNECTORS
Class: 440 MARINE PROPULSION
Class: 441 BUOYS, RAFTS, AND AQUATIC DEVICES
Class: 445 ELECTRIC LAMP OR SPACE DISCHARGE COMPONENT OR DEVICE MANUFACTURING
Class: 446 AMUSEMENT DEVICES: TOYS
Class: 449 BEE CULTURE
Class: 450 FOUNDATION GARMENTS
Class: 452 BUTCHERING
Class: 453 COIN HANDLING
Class: 454 VENTILATION
Class: 455 TELECOMMUNICATIONS
Class: 460 CROP THRESHING OR SEPARATING
Class: 462 BOOKS, STRIPS, AND LEAVES FOR MANIFOLDING
Class: 464 ROTARY SHAFTS, GUDGEONS, HOUSING, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS
Class: 470 THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS
Class: 472 AMUSEMENT DEVICES
Class: 473 AMUSEMENT DEVICES: GAMES
Class: 474 ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS
Class: 475 PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS
Class: 476 FRICTION GEAR TRANSMISSION SYSTEMS OR COMPONENTS
Class: 482 EXERCISE DEVICES
Class: 483 TOOL CHANGING
Class: 492 ROLL OR ROLLER
Class: 493 MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB
Class: 494 IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS
Class: 501 COMPOSITIONS: CERAMIC
Class: 502 CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING
Class: 503 RECORD RECEIVER HAVING PLURAL LEAVES OR A COLORLESS COLOR FORMER, METHOD OF USE, OR DEVELOPER THEREOF
Class: 504 PLANT PROTECTING AND REGULATING COMPOSITIONS
Class: 505 SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS
Class: 507 COMPOSITIONS OR METHODS OF PREPARATION OR MERE METHODS OF USING SAID COMPOSITIONS OR A COMPOUND: FOR EARTH BORING, ETC.
Class: 512 PERFUME COMPOSITIONS
Class: 514 DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS
Class: 518 CHEMISTRY: FISCHER-TORPSCH PROCESSES; OR PURIFICATION OR RECOVERY OF PRODUCTS THEREOF
Class: 520 SYNTHETIC RESINS OR NATURAL RUBBERS
Class: 521 .Ion exchange resins; cellular products (foams)
Class: 522 .Resins prepared by wave energy
Class: 523 .Resins with nonreactive additives
Class: 524 .Resins with nonreactive additives
Class: 525 .Mixed synthetic resins, block or graft copolymers
Class: 526 .Resins by reaction zone features
Class: 527 .Polymers from specialized reactants (e.g. protein, carbohydrate)
Class: 528 .Resin condensates (from various starting materials, e.g. phenols)
Class: 530 Natural resins or derivatives; peptides or proteins; lignins
Class: 532 Glossary of terms used in 532-570
Class: 534 .Noble gas, radioactive or rare earth metal
Class: 536 .Carbohydrates
Class: 540 .Heterocyclic compounds - seven or more ring members
Class: 544 ..Six-membered ring with more than one hetero nitrogen
Class: 546 ..Six-membered ring with one hetero nitrogen
Class: 548 ..Five-, four-, or three-membered ring
Class: 549 ..Hetero sulfur or oxygen
Class: 552 .Azides, triphenylmethanes
Class: 260 .Carbocyclic or acyclic
Class: 552 ..Anthrones, anthranols, quinones, steroids
Class: 554 ...Fatty acids, salts, esters or amides
Class: 556 ..Heavy metal, aluminum, or silicon containing
Class: 558 ..Esters
Class: 560 ..Esters
Class: 562 ..Organic acids, acid halides, acid anhydrides, selenium or tellurium compounds
Class: 564 ..Urea adducts, amino nitrogen compounds
Class: 568 ..Boron, phosphorus, sulfur or oxygen compounds
Class: 570 ..Halogen containing
Class: 585 Chemistry of hydrocarbon compounds
Class: 588 HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT
Class: 600 SURGERY
Class: 602 SURGERY: SPLINT, BRACE, OR BANDAGE
Class: 604 SURGERY
Class: 606 SURGERY
Class: 607 SURGERY, LIGHT, THERMAL, AND ELECTRICAL APPLICATION
Class: 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR
Class: 800 MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF
Class: 901 ROBOTS
Class: 902 ELECTRONIC FUNDS TRANSFER
Class: 930 PEPTIDE OR PROTEIN SEQUENCE
Class: 935 GENETIC ENGINEERING: RECOMBINANT DNA TECHNOLOGY, HYBRID OR FUSED CELL TECHNOLOGY, AND RELATED MANIPULATIONS OF NUCLEIC ACIDS
Class: 968 HOROLOGY: SUBCLASSES 1-380
Class: 968 HOROLOGY: SUBCLASSES 381-977
Class: 976 NUCLEAR TECHNOLOGY
Class: 984 MUSICAL INSTRUMENTS
Class: 987 ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM
Class: D01 EDIBLE PRODUCTS
Class: D02 APPAREL AND HABERDASHERY
Class: D03 TRAVEL GOODS AND PERSONAL BELONGINGS
Class: D04 BRUSHWARE
Class: D05 TEXTILE OR PAPER YARD GOODS; SHEET MATERIAL
Class: D06 FURNISHINGS
Class: D07 EQUIPMENT FOR PREPARING OR SERVING FOOD OR DRINK NOT ELSEWHERE SPECIFIED
Class: D08 TOOLS AND HARDWARE
Class: D09 PACKAGES AND CONTAINERS FOR GOODS
Class: D10 MEASURING, TESTING, OR SIGNALING INSTRUMENTS
Class: D11 JEWELRY, SYMBOLIC INSIGNIA, AND ORNAMENTS
Class: D12 TRANSPORTATION
Class: D13 EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY
Class: D14 RECORDING, COMMUNICATION, OR INFORMATION RETRIEVAL EQUIPMENT
Class: D15 MACHINES NOT ELSEWHERE SPECIFIED
Class: D16 PHOTOGRAPHY AND OPTICAL EQUIPMENT
Class: D17 MUSICAL INSTRUMENTS
Class: D18 PRINTING AND OFFICE MACHINERY
Class: D19 OFFICE SUPPLIES; ARTISTS' AND TEACHERS' MATERIALS
Class: D20 SALES AND ADVERTISING EQUIPMENT
Class: D21 GAMES, TOYS, AND SPORTS GOODS
Class: D22 ARMS, PYROTECHNICS, HUNTING AND FISHING EQUIPMENT
Class: D23 ENVIRONMENTAL HEATING AND COOLING; FLUID HANDLING AND SANITARY EQUIPMENT
Class: D24 MEDICAL AND LABORATORY EQUIPMENT
Class: D25 BUILDING UNITS AND CONSTRUCTION ELEMENTS
Class: D26 LIGHTING
Class: D27 TOBACCO AND SMOKERS' SUPPLIES
Class: D28 COSMETIC PRODUCTS AND TOILET ARTICLES
Class: D29 DEVICES AND EQUIPMENT AGAINST FIRE HAZARDS, FOR ACCIDENT PREVENTION, AND FOR RESCUE
Class: D30 ANIMAL HUSBANDRY
Class: D32 WASHING, CLEANING, OR DRYING MACHINE
Class: D34 MATERIAL OR ARTICLE HANDLING EQUIPMENT
Class: D99 MISCELLANEOUS