Introduction to Patent Law
by
Michael Wogan, Ph.D., J.D.
Appendix C
Index of U.S. Patent Classifications
This material is protected by United States and International Copyright law. All rights reserved.
Contact information is provided on the author's web page.
For an alphabetical list of all Index classes and sub-classes, see:
http://www.uspto.gov/go/classification/uspcindex/indexa.htm
To look up a single class by keyword or class number:
http://www.uspto.gov/go/classification
To search all classes in the Manual of Classification using a keyword or phrase:
http://www.uspto.gov/main/sitesearch.htm
CLASS NUMBER and TITLE OF CLASS
451 ABRADING
51 ABRASIVE TOOL MAKING PROCESS, MATERIAL, OR COMPOSITION
181 ACOUSTICS
257 ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)
156 ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE
226 ADVANCING MATERIAL OF INDETERMINATE LENGTH
244 AERONAUTICS
366 AGITATING
420 ALLOYS OR METALLIC COMPOSITIONS
86 AMMUNITION AND EXPLOSIVE-CHARGE MAKING
102 AMMUNITION AND EXPLOSIVES
330 AMPLIFIERS
472 AMUSEMENT DEVICES
273 AMUSEMENT DEVICES: GAMES [projectile games, football, golf; board games; chance devices; card or tile games; accessories; puzzles; fortune-telling; manual dexterity]
446 AMUSEMENT DEVICES: TOYS [domino; portions knocked apart; simulation of vehicle cockpit; toy money box; sparking, smoking; tethered; toy theater; construction toy; changeable book, card, or picture; aquatic; operated by pressure differential; supporting toy in infant's environment; rotating, whirling, gyroscopic; figure toy or acceessory; rocking, sounding, launching, rolling]
463 AMUSEMENT DEVICES: GAMES [video games; striking, projectile, racing]
119 ANIMAL HUSBANDRY
D30 ANIMAL HUSBANDRY
2 APPAREL [guard or protector; brace or support; bathing garment; body garment; hand or arm covering; head covering; skirt; supporters and retainers; adornment; camouflage; gortex, teflon.]
D2 APPAREL AND HABERDASHERY [undergarment, sleepwear; swimwear, exercise; protector; scarf, handkerchief or accessory; headwear; footwear; stocking or sock; neckwear; apparel support - belt, suspenders.]
223 APPAREL APPARATUS [collar, cuff; skirt trimming; hat making; folding, turning, plaiting, fluting, shirring; forming, pressing, molding, stretching; heating and steaming; hangars.]
D22 ARMS, PYROTECHNICS, HUNTING AND FISHING EQUIPMENT
221 ARTICLE DISPENSING
236 AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
4 BATHS, CLOSETS, SINKS, AND SPITTOONS
136 BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC
384 BEARINGS
5 BEDS
449 BEE CULTURE
402 BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET
8 BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS
412 BOOKBINDING: PROCESS AND APPARATUS
281 BOOKS, STRIPS, AND LEAVES
462 BOOKS, STRIPS, AND LEAVES FOR MANIFOLDING
12 BOOT AND SHOE MAKING [machines for]
36 BOOTS, SHOES, AND LEGGINGS
175 BORING OR PENETRATING THE EARTH
215 BOTTLES AND JARS
188 BRAKES
14 BRIDGES
300 BRUSH, BROOM, AND MOP MAKING
15 BRUSHING, SCRUBBING, AND GENERAL CLEANING
D4 BRUSHWARE
24 BUCKLES, BUTTONS, CLASPS, ETC.
D25 BUILDING UNITS AND CONSTRUCTION ELEMENTS
441 BUOYS, RAFTS, AND AQUATIC DEVICES
452 BUTCHERING
79 BUTTON MAKING
40 CARD, PICTURE, OR SIGN EXHIBITING
502 CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING
59 CHAIN, STAPLE, AND HORSESHOE MAKING
297 CHAIRS AND SEATS
194 CHECK-ACTUATED CONTROL MECHANISMS
422 CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING
260 CHEMISTRY OF CARBON COMPOUNDS [includes classes 518, Chemistry of Fischer-Tropsch Processes, 520, Synthetic Resins or Natural Rubbers, 530, Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Procucts Thereof, and 532, Organic Compounds - part of the Class 532-570 series]
585 CHEMISTRY OF HYDROCARBON COMPOUNDS
423 CHEMISTRY OF INORGANIC COMPOUNDS
204 CHEMISTRY: ELECTRICAL AND WAVE ENERGY
429 CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS
518 CHEMISTRY: FISCHER-TROPSCH PROCESSES; OR PURIFICATION OR RECOVERY OF PRODUCTS THEREOF
530 CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF
436 CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING
71 CHEMISTRY: FERTILIZERS
435 CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY
23 CHEMISTRY: PHYSICAL PROCESSES
279 CHUCKS OR SOCKETS
209 CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
134 CLEANING AND LIQUID CONTACT WITH SOLIDS
510 CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS
292 CLOSURE FASTENERS
192 CLUTCHES AND POWER-STOP CONTROL
118 COATING APPARATUS [controls for; inspecting; gas vapor deposition; rubber transfer; spraying.]
401 COATING IMPLEMENTS WITH MATERIAL SUPPLY [coating tools; supply container]
427 COATING PROCESSES [fingerprinting; medical or dental purpose; fraud or tamper detecting; spray coating; magnetic coating; road-making.]
341 CODED DATA GENERATION OR CONVERSION
372 COHERENT LIGHT GENERATORS
453 COIN HANDLING
516 COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF MAKING, STABILIZING, BREAKING, OR INHIBITING
431 COMBUSTION
367 COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES
342 COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)
340 COMMUNICATIONS: ELECTRICAL
343 COMMUNICATIONS: RADIO WAVE ANTENNAS
252 COMPOSITIONS [artificial snow; fire extinguishing or retarding; textile processing; heat or sound insullating; frost-preventing; etching; water-softening.]
106 COMPOSITIONS: COATING OR PLASTIC
501 COMPOSITIONS: CERAMIC
7 COMPOUND TOOLS
345 COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS
159 CONCENTRATING EVAPORATORS
193 CONVEYORS, CHUTES, SKIDS, GUIDES, AND WAYS
406
CONVEYORS: FLUID CURRENT
147 COOPERING [barrel making]
D28 COSMETIC PRODUCTS AND TOILET ARTICLES
460 CROP THRESHING OR SEPARATING
380 CRYPTOGRAPHY
30 CUTLERY
407 CUTTERS, FOR SHAPING
83 CUTTING
408 CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL
707 DATA PROCESSING: DATABASE AND FILE MANAGEMENT, DATA STRUCTURES, OR DOCUMENT PROCESSING
706 DATA PROCESSING: ARTIFICIAL INTELLIGENCE
716 DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK
705 DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION
700 DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS
702 DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING
717 DATA PROCESSING: SOFTWARE DEVELOPMENT, INSTALLATION, AND MANAGEMENT
704 DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION
703 DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION
701 DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION
329 DEMODULATORS
433 DENTISTRY
232 DEPOSIT AND COLLECTION RECEPTACLES
222 DISPENSING
202 DISTILLATION: APPARATUS
203 DISTILLATION: PROCESSES, SEPARATORY
201 DISTILLATION: PROCESSES, THERMOLYTIC
514 DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS
424 DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS [radionuclide; in vivo diagnosis; dentrifrices; sun screen; anti-perspirant; body powders; embalming; immunoglobulin or antibody; antigen; containing whole, live cell or virus; containing enzyme; extract from animal; containing inorganic elements; plant material or plant extract.]
34 DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS
369 DYNAMIC INFORMATION STORAGE OR RETRIEVAL
360 DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL
507 EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY
172 EARTH WORKING
D1 EDIBLE PRODUCTS
434 EDUCATION AND DEMONSTRATION
219 ELECTRIC HEATING
313 ELECTRIC LAMP AND DISCHARGE DEVICES
315 ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS
314 ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES
445 ELECTRIC LAMP OR SPACE DISCHARGE COMPONENT OR DEVICE MANUFACTURING
363 ELECTRIC POWER CONVERSION SYSTEMS
392 ELECTRIC RESISTANCE HEATING DEVICES
381 ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES
364 ELECTRICAL COMPUTERS AND DATA PROCESSING SYSTEMS
710 ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT
709 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTIPLE COMPUTER OR PROCESS COORDINATING
712 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: PROCESSING ARCHITECTURES AND INSTRUCTION PROCESSING (E.G., PROCESSORS)
713 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT
711 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY
708 ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING
439 ELECTRICAL CONNECTORS
310 ELECTRICAL GENERATOR OR MOTOR STRUCTURE
377 ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS
338 ELECTRICAL RESISTORS
307 ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS
320 ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING
200 ELECTRICITY: CIRCUIT MAKERS AND BREAKERS
174 ELECTRICITY: CONDUCTORS AND INSULATORS
361 ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES [safety and protection systems; control circuits; electric charging; igniting systems; transformers, capacitors; mounting assemblies.]
337 ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES
335 ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS
324 ELECTRICITY: MEASURING AND TESTING
318 ELECTRICITY: MOTIVE POWER SYSTEMS
388 ELECTRICITY: MOTOR CONTROL SYSTEMS
323 ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS
322 ELECTRICITY: SINGLE GENERATOR SYSTEMS
191 ELECTRICITY: TRANSMISSION TO VEHICLES
205 ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS
326 ELECTRONIC DIGITAL LOGIC CIRCUITRY
902 ELECTRONIC FUNDS TRANSFER
399 ELECTROPHOTOGRAPHY
187 ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE
227 ELONGATED-MEMBER-DRIVING APPARATUS [surgical staples; with explosive driving]
474 ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS
229 ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES
D23 ENVIRONMENTAL HEATING AND COOLING; FLUID HANDLING AND SANITARY EQUIPMENT
D7 EQUIPMENT FOR PREPARING OR SERVING FOOD OR DRINK NOT ELSEWHERE SPECIFIED
D13 EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY
D29 EQUIPMENT FOR SAFETY, PROTECTION, AND RESCUE (1) [body restraint; protective covering; fire extinguisher.]
714 ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY
216 ETCHING A SUBSTRATE: PROCESSES
37 EXCAVATING
482 EXERCISE DEVICES
411 EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
92 EXPANSIBLE CHAMBER DEVICES [plural cylinders; bellows]
149 EXPLOSIVE AND THERMIC COMPOSITIONS OR CHARGES
442 FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)
358 FACSIMILE AND STATIC PRESENTATION PROCESSING
168 FARRIERY [shoes]
256 FENCES
182 FIRE ESCAPE, LADDER, OR SCAFFOLD
169 FIRE EXTINGUISHERS
42 FIREARMS
43 FISHING, TRAPPING, AND VERMIN DESTROYING
383 FLEXIBLE BAGS
160 FLEXIBLE OR PORTABLE CLOSURE, PARTITION, bR PANEL
141 FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS
137 FLUID HANDLING
416 FLUID REACTION SURFACES (I.E., IMPELLERS)
239 FLUID SPRINKLING, SPRAYING, AND DIFFUSING
303 FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS
426 FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND PRODUCTS
99 FOODS AND BEVERAGES: APPARATUS
450 FOUNDATION GARMENTS
410 FREIGHT ACCOMMODATION ON FREIGHT CARRIER
476 FRICTION GEAR TRANSMISSION SYSTEMS OR COMPONENTS
44 FUEL AND RELATED COMPOSITIONS
110 FURNACES
D6 FURNISHINGS
473 GAMES USING TANGIBLE PROJECTILE
D21 GAMES, TOYS, AND SPORTS GOODS
261 GAS AND LIQUID CONTACT APPARATUS
55 GAS SEPARATION
96 GAS SEPARATION: APPARATUS
95 GAS SEPARATION: PROCESSES
48 GAS: HEATING AND ILLUMINATING
409 GEAR CUTTING, MILLING, OR PLANING
33 GEOMETRICAL INSTRUMENTS [aerial photo; laying out apparel; scriber; area integrators; distance measuring.]
65 GLASS MANUFACTURING
294 HANDLING: HAND AND HOIST-LINE IMPLEMENTS
54 HARNESS
56 HARVESTERS
588 HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT
165 HEAT EXCHANGE
432 HEATING [process of heater operation; installation; treating exhaust gasses.]
237 HEATING SYSTEMS [automatic control; air, water, heated floor; steam; ventillating.]
218 HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES
108 HORIZONTALLY SUPPORTED PLANAR SURFACES
968 HOROLOGY [measuring time; driving mechanisms; winding; gearworks; stabilizing frequency; device for repairing, lubricating. or testing; synchronizing; producing timing pulses]
368 HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES
405 HYDRAULIC AND EARTH ENGINEERING
362 ILLUMINATION
382 IMAGE ANALYSIS
494 IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS
254 IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE
347 INCREMENTAL PRINTING OF SYMBOLIC INFORMATION
376 INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS
336 INDUCTOR DEVICES
373 INDUSTRIAL ELECTRIC HEATING FURNACES
725 INTERACTIVE VIDEO DISTRIBUTION SYSTEMS
123 INTERNAL-COMBUSTION ENGINES
477 INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL
63 JEWELRY
D11 JEWELRY, SYMBOLIC INSIGNIA, AND ORNAMENTS
403 JOINTS AND CONNECTIONS
289 KNOTS AND KNOT TYING
280 LAND VEHICLES
278 LAND VEHICLES: ANIMAL DRAFT APPLIANCES
296 LAND VEHICLES: BODIES AND TOPS
298 LAND VEHICLES: DUMPING
301 LAND VEHICLES: WHEELS AND AXLES
69 LEATHER MANUFACTURES
D26 LIGHTING
349 LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS
122 LIQUID HEATERS AND VAPORIZERS
210 LIQUID PURIFICATION OR SEPARATION
70 LOCKS
184 LUBRICATION
74 MACHINE ELEMENT OR MECHANISM
D15 MACHINES NOT ELSEWHERE SPECIFIED
493 MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB
440 MARINE PROPULSION
414 MATERIAL OR ARTICLE HANDLING [apparatus used to move or store material]
D34 MATERIAL OR ARTICLE HANDLING EQUIPMENT [refuse or trash; conveying, lifting, or transferring article]
73 MEASURING AND TESTING [instrument to prove, test, or calibrate]
D10 MEASURING, TESTING, OR SIGNALLING INSTRUMENTS [excluding time clock or thermometer per se; clock or clock case, watch or wristwatch, parking meter; measuring instrument, such as geiger counter or barometer; security instrument, such as buoy; dial or other movement or attachment]
124 MECHANICAL GUNS AND PROJECTORS
D24 MEDICAL AND LABORATORY EQUIPMENT
186 MERCHANDISING
72 METAL DEFORMING
164 METAL FOUNDING
228 METAL FUSION BONDING
76 METAL TOOLS AND IMPLEMENTS, MAKING
148 METAL TREATMENT
29 METAL WORKING
266 METALLURGICAL APPARATUS
196 MINERAL OILS: APPARATUS
208 MINERAL OILS: PROCESSES AND PRODUCTS
299 MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL
D99 MISCELLANEOUS
327 MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS
16 MISCELLANEOUS HARDWARE
332 MODULATORS
180 MOTOR VEHICLES
185 MOTORS: SPRING, WEIGHT, OR ANIMAL POWERED
91 MOTORS: EXPANSIBLE CHAMBER TYPE
49 MOVABLE OR REMOVABLE CLOSURES
800 MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES [transgenic nonhuman animal; method of mutating plant]
370 MULTIPLEX COMMUNICATIONS
84 MUSIC
984 MUSICAL INSTRUMENTS [organs, harmoniums, amplifiers and pick-ups; pianos, violins, harps; aids for music, metronome.]
D17 MUSICAL INSTRUMENTS [keyboard type; wind instrument; string; percussion type.]
163 NEEDLE AND PIN MAKING
976 NUCLEAR TECHNOLOGY
D19 OFFICE SUPPLIES; ARTISTS` AND TEACHERS' MATERIALS
385 OPTICAL WAVEGUIDES
351 OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING
353 OPTICS: IMAGE PROJECTORS
356 OPTICS: MEASURING AND TESTING
352 OPTICS: MOTION PICTURES
359 OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS
89 ORDNANCE
532 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES [includes classes 534, 536, 540, 544, 546, 548, 549, 552, 554, 556, 558, 560, 562, 564, 568, and 570]
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
331 OSCILLATORS
224 PACKAGE AND ARTICLE CARRIERS
53 PACKAGE MAKING
D9 PACKAGES AND CONTAINERS FOR GOODS
162 PAPER MAKING AND FIBER LIBERATION
930 PEPTIDE OR PROTEIN SEQUENCE
512 PERFUME COMPOSITIONS
355 PHOTOCOPYING
396 PHOTOGRAPHY
D16 PHOTOGRAPHY AND OPTICAL EQUIPMENT
285 PIPE JOINTS OR COUPLINGS
138 PIPES AND TUBULAR CONDUITS
475 PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS
47 PLANT HUSBANDRY
504 PLANT PROTECTING AND REGULATING COMPOSITIONS
111 PLANTING
PLT PLANTS [Rose, Nut-bearing, Fruit-bearing, Conifer, Broadleaf Tree, Shrub or Vine, Herbs, Grasses, Mushroom.]
264 PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
425 PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
419 POWDER METALLURGY PROCESSES
60 POWER PLANTS
100 PRESSES
290 PRIME-MOVER DYNAMO PLANTS
283 PRINTED MATTER
101 PRINTING
D18 PRINTING AND OFFICE MACHINERY
623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR
375 PULSE OR DIGITAL COMMUNICATIONS
417 PUMPS
150 PURSES, WALLETS, AND PROTECTIVE COVERS
250 RADIANT ENERGY
430 RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF
213 RAILWAY DRAFT APPLIANCES
258 RAILWAY MAIL DELIVERY
105 RAILWAY ROLLING STOCK
246 RAILWAY SWITCHES AND SIGNALS
295 RAILWAY WHEELS AND AXLES
104 RAILWAYS [track-layers; moving train; wheel changer; terminals and stations; turntables; amusement; cable; suspended; trolley; monorail; switches; magnetically suspended; car-carried propulsion system.]
238 RAILWAYS: SURFACE TRACK
220 RECEPTACLES
503 RECORD RECEIVER HAVING PLURAL INTERACTIVE LEAVES OR A COLORLESS COLOR FORMER, METHOD OF USE, OR DEVELOPER THEREFOR
346 RECORDERS
D14 RECORDING, COMMUNICATION, OR INFORMATION RETRIEVAL EQUIPMENT
62 REFRIGERATION
235 REGISTERS
152 RESILIENT TIRES AND WHEELS
404 ROAD STRUCTURE, PROCESS, OR APPARATUS
901 ROBOTS
492 ROLL OR ROLLER
418 ROTARY EXPANSIBLE CHAMBER DEVICES
415 ROTARY KINETIC FLUID MOTORS OR PUMPS
464 ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS
109 SAFES, BANK PROTECTION, OR A RELATED DEVICE
D20 SALES AND ADVERTISING EQUIPMENT
277 SEAL FOR A JOINT OR JUNCTURE
234 SELECTIVE CUTTING (E.G., PUNCHING)
438 SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
225 SEVERING BY TEARING OR BREAKING
112 SEWING
271 SHEET FEEDING OR DELIVERING
413 SHEET METAL CONTAINER MAKING
270 SHEET-MATERIAL ASSOCIATING
114 SHIPS
116 SIGNALS AND INDICATORS
117 SINGLE-CRYSTAL, ORIENTED-CRYSTAL, AND EPITAXY GROWTH PROCESSES; NON-COATING APPARATUS THEREFOR
508 SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS
241 SOLID MATERIAL COMMINUTION OR DISINTEGRATION
206 SPECIAL RECEPTACLE OR PACKAGE
75 SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES
267 SPRING DEVICES
365 STATIC INFORMATION STORAGE AND RETRIEVAL
249 STATIC MOLDS
52 STATIC STRUCTURES (E.G., BUILDINGS)
428 STOCK MATERIAL OR MISCELLANEOUS ARTICLES
125 STONE WORKING
126 STOVES AND FURNACES
127 SUGAR, STARCH, AND CARBOHYDRATES
505 SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS
248 SUPPORTS
312 SUPPORTS: CABINET STRUCTURE
211 SUPPORTS: RACKS
128 SURGERY [class 600, 601, 602, 604, 606, and 607 are integral parts of Class 128, and follow the same structure as Class 128. Class 128 includes trusses and supports; female reproductive tract shields; male birth control devices; body rests, positioners, or restraining devices; inhalers and respiratory devices; liquid atomizer; tracheotomy incision; blood pressure recorder; radio telemetry; accupuncture; computer-assisted diagnostics]
600 SURGERY [diagnostic testing; speech correction; sexual appliance; fertilization techniques; endoscope; graft preparation; lamps for illumination]
601 SURGERY: KINESITHERAPY
602 SURGERY: SPLINT, BRACE, OR BANDAGE
604 SURGERY [controlled release system; blood drawn and replaced; medicating, irrigating, aspirating; surgical drain]
606 SURGERY [surgical instruments]
607 SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION
520 SYNTHETIC RESINS OR NATURAL RUBBERS [classes 521 through 528 are part of the Class 520 series, all dealing with Synthetic Resins or Natural Rubbers. Class 520 is itself part of Class 260, Chemistry of Carbon Compounds.]
455 TELECOMMUNICATIONS
178 TELEGRAPHY
379 TELEPHONIC COMMUNICATIONS
348 TELEVISION
386 TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING
135 TENT, CANOPY, UMBRELLA, OR CANE
D5 TEXTILE OR PAPER YARD GOODS; SHEET MATERIAL
19 TEXTILES: FIBER PREPARATION
68 TEXTILES: FLUID TREATING APPARATUS
38 TEXTILES: IRONING OR SMOOTHING
66 TEXTILES: KNITTING
28 TEXTILES: MANUFACTURING
57 TEXTILES: SPINNING, TWISTING, AND TWINING
139 TEXTILES: WEAVING
87 TEXTILES: BRAIDING, NETTING, AND LACE MAKING
26 TEXTILES: CLOTH FINISHING
374 THERMAL MEASURING AND TESTING
470 THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS
131 TOBACCO
D27 TOBACCO AND SMOKERS' SUPPLIES
132 TOILET
483 TOOL CHANGING
173 TOOL DRIVING OR IMPACTING
81 TOOLS [wrenches, pumps, oilers; specialized tools; pliers; screwdriver]
D8 TOOLS AND HARDWARE [tools and implements for agriculture, forestry, and horticulture; other stools, wrench, caulking gun; hinge; locking or closing device.]
291 TRACK SANDERS
D12 TRANSPORTATION
D3 TRAVEL GOODS AND PERSONAL BELONGINGS
212 TRAVERSING HOISTS
190 TRUNKS AND HAND-CARRIED LUGGAGE
334 TUNERS
82 TURNING
199 TYPE CASTING
276 TYPESETTING
400 TYPEWRITING MACHINES
27 UNDERTAKING
171 UNEARTHING PLANTS OR BURIED OBJECTS
251 VALVES AND VALVE ACTUATION
293 VEHICLE FENDERS
454 VENTILATION
D32 WASHING, CLEANING, OR DRYING MACHINE
333 WAVE TRANSMISSION LINES AND NETWORKS
177 WEIGHING SCALES
166 WELLS
305 WHEEL SUBSTITUTES FOR LAND VEHICLES
157 WHEELWRIGHT MACHINES
231 WHIPS AND WHIP APPARATUS
242 WINDING, TENSIONING, OR GUIDING
245 WIRE FABRICS AND STRUCTURE
140 WIREWORKING
142 WOOD TURNING
217 WOODEN RECEPTACLES
144 WOODWORKING
269 WORK HOLDERS
378 X-RAY OR GAMMA RAY SYSTEMS OR DEVICES