Browse Classes

Class

Title

Apparel Class No. 002	Baths, closets, sinks, and spittoons Class No. 004	Beds Class No. 005
Bleaching and dyeing; fluid treatment and... Class No. 008	Brushing, scrubbing, and general... Class No. 015	Miscellaneous hardware Class No. 016
Buckles, buttons, clasps, etc. Class No. 024	Metal working Class No. 029	Cutlery Class No. 030
Geometrical instruments Class No. 033	Boots, shoes, and leggings Class No. 036	Card, picture, or sign exhibiting Class No. 040
Firearms Class No. 042	Fishing, trapping, and vermin destroying Class No. 043	Plant husbandry Class No. 047
Movable or removable closures Class No. 049	Abrasive tool making process, material, or... Class No. 051	Static structures (e.g., buildings) Class No. 052
Package making Class No. 053	Gas separation Class No. 055	Harvesters Class No. 056
Power plants Class No. 060	Refrigeration Class No. 062	Locks Class No. 070
Measuring and testing Class No. 073	Machine element or mechanism Class No. 074	Tools Class No. 081
Cutting Class No. 083	Music Class No. 084	Motors: expansible chamber type Class No. 091
Expansible chamber devices Class No. 092	Foods and beverages: apparatus Class No. 099	Presses Class No. 100
Printing Class No. 101	Ammunition and explosives Class No. 102	Compositions: coating or plastic Class No. 106
Horizontally supported planar surfaces Class No. 108	Furnaces Class No. 110	Ships Class No. 114
Signals and indicators Class No. 116	Coating apparatus Class No. 118	Internal-combustion engines Class No. 123
Mechanical guns and projectors Class No. 124	Stoves and furnaces Class No. 126	Surgery Class No. 128
Toilet Class No. 132	Cleaning and liquid contact with solids Class No. 134	Tent, canopy, umbrella, or cane Class No. 135
Batteries: thermoelectric and... Class No. 136	Fluid handling Class No. 137	Pipes and tubular conduits Class No. 138
Fluent material handling, with receiver or... Class No. 141	Woodworking Class No. 144	Explosive and thermic compositions or... Class No. 149
Adhesive bonding and miscellaneous chemical... Class No. 156	Flexible or portable closure, partition,... Class No. 160	Heat exchange Class No. 165
Wells Class No. 166	Electricity: conductors and insulators Class No. 174	Motor vehicles Class No. 180
Acoustics Class No. 181	Fire escape, ladder, or scaffold Class No. 182	Brakes Class No. 188
Clutches and power-stop control Class No. 192	Chemistry: electrical and wave energy Class No. 204	Special receptacle or package Class No. 206
Supports: racks Class No. 211	Bottles and jars Class No. 215	Etching a substrate: processes Class No. 216
Electric heating Class No. 219	Receptacles Class No. 220	Dispensing Class No. 222
Package and article carriers Class No. 224	Elongated-member-driving apparatus Class No. 227	Metal fusion bonding Class No. 228
Registers Class No. 235	Fluid sprinkling, spraying, and... Class No. 239	Solid material comminution or... Class No. 241
Supports Class No. 248	Radiant energy Class No. 250	Valves and valve actuation Class No. 251
Compositions Class No. 252	Fences Class No. 256	Active solid-state devices (e.g., transistors,... Class No. 257
Gas and liquid contact apparatus Class No. 261	Plastic and nonmetallic article shaping or... Class No. 264	Spring devices Class No. 267
Work holders Class No. 269	Sheet feeding or delivering Class No. 271	Amusement devices: games Class No. 273
Seal for a joint or juncture Class No. 277	Land vehicles Class No. 280	Books, strips, and leaves Class No. 281
Printed matter Class No. 283	Pipe joints or couplings Class No. 285	Prime-mover dynamo plants Class No. 290
Closure fasteners Class No. 292	Handling: hand and hoist-line implements Class No. 294	Land vehicles: bodies and tops Class No. 296
Chairs and seats Class No. 297	Fluid-pressure and analogous brake... Class No. 303	Electrical transmission or interconnection... Class No. 307
Electrical generator or motor structure Class No. 310	Supports: cabinet structure Class No. 312	Electric lamp and discharge devices:... Class No. 315
Electricity: motive power systems Class No. 318	Electricity: power supply or regulation... Class No. 323	Electricity: measuring and testing Class No. 324
Electronic digital logic circuitry Class No. 326	Miscellaneous active electrical nonlinear... Class No. 327	Amplifiers Class No. 330
Oscillators Class No. 331	Wave transmission lines and networks Class No. 333	Electricity: magnetically operated switches,... Class No. 335
Inductor devices Class No. 336	Electrical resistors Class No. 338	Communications: electrical Class No. 340
Coded data generation or conversion Class No. 341	Communications: directive radio wave systems... Class No. 342	Communications: radio wave antennas Class No. 343
Computer graphics processing and selective... Class No. 345	Incremental printing of symbolic... Class No. 347	Television Class No. 348
Liquid crystal cells, elements and... Class No. 349	Optics: eye examining, vision testing and... Class No. 351	Optics: image projectors Class No. 353
Photocopying Class No. 355	Optics: measuring and testing Class No. 356	Facsimile and static presentation... Class No. 358
Optical: systems and elements Class No. 359	Dynamic magnetic information storage or... Class No. 360	Electricity: electrical systems and... Class No. 361
Illumination Class No. 362	Electric power conversion systems Class No. 363	Static information storage and retrieval Class No. 365
Horology: time measuring systems or... Class No. 368	Dynamic information storage or retrieval Class No. 369	Multiplex communications Class No. 370
Coherent light generators Class No. 372	Pulse or digital communications Class No. 375	X-ray or gamma ray systems or devices Class No. 378
Telephonic communications Class No. 379	Cryptography Class No. 380	Electrical audio signal processing systems... Class No. 381
Image analysis Class No. 382	Flexible bags Class No. 383	Bearings Class No. 384
Optical waveguides Class No. 385	Photography Class No. 396	Optical communications Class No. 398
Joints and connections Class No. 403	Road structure, process, or apparatus Class No. 404	Hydraulic and earth engineering Class No. 405
Cutters, for shaping Class No. 407	Cutting by use of rotating axially moving... Class No. 408	Expanded, threaded, driven, headed, tool-deformed,... Class No. 411
Material or article handling Class No. 414	Rotary kinetic fluid motors or pumps Class No. 415	Pumps Class No. 417
Chemical apparatus and process disinfecting,... Class No. 422	Chemistry of inorganic compounds Class No. 423	Drug, bio-affecting and body treating... Class No. 424
Plastic article or earthenware shaping or... Class No. 425	Food or edible material: processes, compositions,... Class No. 426	Coating processes Class No. 427
Stock material or miscellaneous articles Class No. 428	Chemistry: electrical current producing apparatus,... Class No. 429	Radiation imagery chemistry: process, composition,... Class No. 430
Combustion Class No. 431	Dentistry Class No. 433	Chemistry: molecular biology and... Class No. 435
Chemistry: analytical and immunological... Class No. 436	Semiconductor device manufacturing:... Class No. 438	Electrical connectors Class No. 439
Amusement devices: toys Class No. 446	Abrading Class No. 451	Telecommunications Class No. 455
Amusement devices: games Class No. 463	Games using tangible projectile Class No. 473	Exercise devices Class No. 482
Compositions: ceramic Class No. 501	Catalyst, solid sorbent, or support therefor:... Class No. 502	Record receiver having plural interactive... Class No. 503
Plant protecting and regulating... Class No. 504	Cleaning compositions for solid surfaces,... Class No. 510	Drug, bio-affecting and body treating... Class No. 514
Synthetic resins or natural rubbers -- part... Class No. 521	Synthetic resins or natural rubbers -- part... Class No. 522	Synthetic resins or natural rubbers -- part... Class No. 523
Synthetic resins or natural rubbers -- part... Class No. 524	Synthetic resins or natural rubbers -- part... Class No. 526	Synthetic resins or natural rubbers -- part... Class No. 528
Chemistry: natural resins or derivatives;... Class No. 530	Organic compounds -- part of the class 532-570... Class No. 540	Organic compounds -- part of the class 532-570... Class No. 544
Organic compounds -- part of the class 532-570... Class No. 546	Organic compounds -- part of the class 532-570... Class No. 548	Organic compounds -- part of the class 532-570... Class No. 549
Organic compounds -- part of the class 532-570... Class No. 558	Organic compounds -- part of the class 532-570... Class No. 560	Organic compounds -- part of the class 532-570... Class No. 562
Organic compounds -- part of the class 532-570... Class No. 564	Surgery Class No. 600	Surgery: splint, brace, or bandage Class No. 602
Surgery Class No. 604	Surgery Class No. 606	Surgery: light, thermal, and electrical... Class No. 607
Prosthesis (i.e., artificial body members),... Class No. 623	Data processing: generic control systems... Class No. 700	Data processing: vehicles, navigation, and... Class No. 701
Data processing: financial, business practice,... Class No. 705	Data processing: database and file management... Class No. 707	Electrical computers and digital processing... Class No. 709
Electrical computers and digital data processing... Class No. 710	Electrical computers and digital processing... Class No. 711	Error detection/correction and fault... Class No. 714
Multicellular living organisms and unmodified... Class No. 800	Robots Class No. 901	Peptide or protein sequence Class No. 930
Organic compounds containing a bi, sb, as,... Class No. 987	Compound tools Class No. 007	Boot and shoe making Class No. 012
Bridges Class No. 014	Textiles: fiber preparation Class No. 019	Chemistry: physical processes Class No. 023
Textiles: cloth finishing Class No. 026	Undertaking Class No. 027	Textiles: manufacturing Class No. 028
Drying and gas or vapor contact with... Class No. 034	Excavating Class No. 037	Textiles: ironing or smoothing Class No. 038
Fuel and related compositions Class No. 044	Gas: heating and illuminating Class No. 048	Harness for working animal Class No. 054
Textiles: spinning, twisting, and... Class No. 057	Chain, staple, and horseshoe making Class No. 059	Jewelry Class No. 063
Glass manufacturing Class No. 065	Textiles: knitting Class No. 066	Textiles: fluid treating apparatus Class No. 068
Leather manufactures Class No. 069	Chemistry: fertilizers Class No. 071	Metal deforming Class No. 072
Specialized metallurgical processes, compositions... Class No. 075	Metal tools and implements, making Class No. 076	Button making Class No. 079
Turning Class No. 082	Ammunition and explosive-charge making Class No. 086	Textiles: braiding, netting, and lace... Class No. 087
Ordnance Class No. 089	Gas separation: processes Class No. 095	Gas separation: apparatus Class No. 096
Railways Class No. 104	Railway rolling stock Class No. 105	Safes, bank protection, or a related... Class No. 109
Planting Class No. 111	Sewing Class No. 112	Single-crystal, oriented-crystal, and epitaxy... Class No. 117
Animal husbandry Class No. 119	Liquid heaters and vaporizers Class No. 122	Stone working Class No. 125
Sugar, starch, and carbohydrates Class No. 127	Tobacco Class No. 131	Textiles: weaving Class No. 139
Wireworking Class No. 140	Wood turning Class No. 142	Coopering Class No. 147
Metal treatment Class No. 148	Purses, wallets, and protective covers Class No. 150	Resilient tires and wheels Class No. 152
Wheelwright machines Class No. 157	Concentrating evaporators Class No. 159	Paper making and fiber liberation Class No. 162
Needle and pin making Class No. 163	Metal founding Class No. 164	Farriery Class No. 168
Fire extinguishers Class No. 169	Unearthing plants or buried objects Class No. 171	Earth working Class No. 172
Tool driving or impacting Class No. 173	Boring or penetrating the earth Class No. 175	Weighing scales Class No. 177
Telegraphy Class No. 178	Lubrication Class No. 184	Motors: spring, weight, or animal... Class No. 185
Merchandising Class No. 186	Elevator, industrial lift truck, or stationary... Class No. 187	Trunks and hand-carried luggage Class No. 190
Electricity: transmission to vehicles Class No. 191	Conveyors, chutes, skids, guides, and... Class No. 193	Check-actuated control mechanisms Class No. 194
Mineral oils: apparatus Class No. 196	Conveyors: power-driven Class No. 198	Type casting Class No. 199
Electricity: circuit makers and breakers Class No. 200	Distillation: processes, thermolytic Class No. 201	Distillation: apparatus Class No. 202
Distillation: processes, separatory Class No. 203	Electrolysis: processes, compositions used... Class No. 205	Mineral oils: processes and products Class No. 208
Classifying, separating, and assorting... Class No. 209	Liquid purification or separation Class No. 210	Traversing hoists Class No. 212
Railway draft appliances Class No. 213	Wooden receptacles Class No. 217	High-voltage switches with arc preventing... Class No. 218
Article dispensing Class No. 221	Apparel apparatus Class No. 223	Severing by tearing or breaking Class No. 225
Advancing material of indeterminate... Class No. 226	Envelopes, wrappers, and paperboard... Class No. 229	Whips and whip apparatus Class No. 231
Deposit and collection receptacles Class No. 232	Selective cutting (e.g., punching) Class No. 234	Automatic temperature and humidity... Class No. 236
Heating systems Class No. 237	Railways: surface track Class No. 238	Winding, tensioning, or guiding Class No. 242
Aeronautics and astronautics Class No. 244	Wire fabrics and structure Class No. 245	Railway switches and signals Class No. 246
Static molds Class No. 249	Implements or apparatus for applying pushing... Class No. 254	Railway mail delivery Class No. 258
Chemistry of carbon compounds Class No. 260	Metallurgical apparatus Class No. 266	Sheet-material associating Class No. 270
Typesetting Class No. 276	Land vehicles: animal draft appliances Class No. 278	Chucks or sockets Class No. 279
Knots and knot tying Class No. 289	Track sanders Class No. 291	Vehicle fenders Class No. 293
Railway wheels and axles Class No. 295	Land vehicles: dumping Class No. 298	Mining or in situ disintegration of hard... Class No. 299
Brush, broom, and mop making Class No. 300	Land vehicles: wheels and axles Class No. 301	Wheel substitutes for land vehicles Class No. 305
Electric lamp and discharge devices Class No. 313	Electric lamp and discharge devices: consumable... Class No. 314	Electricity: battery or capacitor charging... Class No. 320
Electricity: single generator systems Class No. 322	Demodulators Class No. 329	Modulators Class No. 332
Tuners Class No. 334	Electricity: electrothermally or thermally... Class No. 337	Recorders Class No. 346
Optics: motion pictures Class No. 352	Agitating Class No. 366	Communications, electrical: acoustic wave... Class No. 367
Industrial electric heating furnaces Class No. 373	Thermal measuring and testing Class No. 374	Induced nuclear reactions: processes, systems,... Class No. 376
Electrical pulse counters, pulse dividers,... Class No. 377	Television signal processing for dynamic... Class No. 386	Electricity: motor control systems Class No. 388
Electric resistance heating devices Class No. 392	Electrophotography Class No. 399	Typewriting machines Class No. 400
Coating implements with material supply Class No. 401	Binder device releasably engaging aperture... Class No. 402	Conveyors: fluid current Class No. 406
Gear cutting, milling, or planing Class No. 409	Freight accommodation on freight carrier Class No. 410	Bookbinding: process and apparatus Class No. 412
Sheet metal container making Class No. 413	Fluid reaction surfaces (i.e.,... Class No. 416	Rotary expansible chamber devices Class No. 418
Powder metallurgy processes Class No. 419	Alloys or metallic compositions Class No. 420	Heating Class No. 432
Education and demonstration Class No. 434	Marine propulsion Class No. 440	Buoys, rafts, and aquatic devices Class No. 441
Fabric (woven, knitted, or nonwoven textile... Class No. 442	Electric lamp or space discharge component... Class No. 445	Bee culture Class No. 449
Foundation garments Class No. 450	Butchering Class No. 452	Coin handling Class No. 453
Ventilation Class No. 454	Crop threshing or separating Class No. 460	Books, strips, and leaves for... Class No. 462
Rotary shafts, gudgeons, housings, and flexible... Class No. 464	Threaded, headed fastener, or washer making:... Class No. 470	Amusement devices Class No. 472
Endless belt power transmission systems or... Class No. 474	Planetary gear transmission systems or... Class No. 475	Friction gear transmission systems or... Class No. 476
Interrelated power delivery controls, including... Class No. 477	Tool changing Class No. 483	Roll or roller Class No. 492