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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2008 - 2012 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

WASHINGTON

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2008 2009 2010 2011 2012 Total
707 DP: Database and File Management or Data Structures (Data Processing) 288 488 614 423 498 2311
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 252 351 418 428 459 1908
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 262 302 318 218 232 1332
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 62 91 183 197 309 842
717 DP: Software Development, Installation, and Management (Data Processing) 91 168 217 133 179 788
345 Computer Graphics Processing and Selective Visual Display Systems 142 178 147 150 137 754
713 Support (Electrical Computers and Digital Processing Systems) 138 175 181 106 105 705
726 Information Security 74 125 170 140 194 703
370 Multiplex Communications 93 103 158 161 158 673
382 Image Analysis 120 103 141 128 136 628
455 Telecommunications 94 92 108 134 200 628
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 89 104 104 91 104 492
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 55 52 117 99 127 450
714 Error Detection/Correction and Fault Detection/Recovery 86 73 83 73 62 377
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 85 91 88 52 52 368
435 Chemistry: Molecular Biology and Microbiology 48 68 83 67 59 325
340 Communications: Electrical 62 54 43 71 79 309
711 Memory (Electrical Computers and Digital Processing Systems) 63 54 64 55 68 304
128 Surgery (includes Class 600) 24 50 63 46 90 273
244 Aeronautics and Astronautics 40 55 46 72 57 270
375 Pulse or Digital Communications 38 49 42 50 67 246
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 20 27 51 71 72 241
706 DP: Artificial Intelligence (Data Processing) 34 41 57 53 52 237
702 DP: Measuring, Calibrating, or Testing (Data Processing) 35 41 42 48 39 205
358 Facsimile and Static Presentation Processing 31 29 34 37 52 183
348 Television 25 37 25 30 62 179
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 18 44 47 34 34 177
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 21 17 44 33 61 176
073 Measuring and Testing 47 31 35 25 34 172
379 Telephonic Communications 13 20 30 40 56 159
463 Amusement Devices: Games 13 13 35 35 61 157
700 DP: Generic Control Systems or Specific Applications (Data Processing) 24 32 29 39 32 156
607 Surgery: Light, Thermal, and Electrical Application 16 15 33 42 48 154
250 Radiant Energy 26 21 37 34 33 151
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 26 31 32 26 32 147
324 Electricity: Measuring and Testing 25 25 28 38 26 142
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 23 44 26 24 18 135
725 Interactive Video Distribution Systems 12 29 35 26 32 134
532 Organic Compounds (includes Classes 532-570) 15 25 35 34 23 132
438 Semiconductor Device Manufacturing: Process 44 28 21 20 9 122
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 20 28 17 25 27 117
359 Optical: Systems and Elements 20 14 37 25 21 117
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 23 28 21 23 21 116
361 Electricity: Electrical Systems and Devices 28 30 16 26 16 116
356 Optics: Measuring and Testing 32 19 18 24 21 114
604 Surgery (Medicators and Receptors) 4 10 29 23 42 108
380 Cryptography 18 24 20 25 19 106
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 26 13 28 18 16 101
385 Optical Waveguides 25 21 17 19 12 94
347 Incremental Printing of Symbolic Information 18 13 26 14 20 91
482 Exercise Devices 5 15 23 31 15 89
029 Metal Working 8 15 22 21 22 88
439 Electrical Connectors 15 17 26 17 13 88
052 Static Structures (e.g., Buildings) 10 11 19 20 26 86
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 7 11 17 20 31 86
381 Electrical Audio Signal Processing Systems and Devices 9 9 12 13 39 82
428 Stock Material or Miscellaneous Articles 9 15 21 18 18 81
606 Surgery (instruments) 6 11 12 19 33 81
084 Music 13 15 19 12 7 66
248 Supports (e.g., for holding articles, etc.) 10 9 13 21 12 65
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 2 7 14 15 25 63
280 Land Vehicles 12 9 15 14 11 61
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 6 10 12 19 13 60
365 Static Information Storage and Retrieval 14 11 18 9 8 60
310 Electrical Generator or Motor Structure 16 11 16 10 5 58
362 Illumination 10 11 12 10 14 57
343 Communications: Radio Wave Antennas 10 5 7 14 14 50
341 Coded Data Generation or Conversion 9 9 8 7 16 49
436 Chemistry: Analytical and Immunological Testing 6 9 9 13 12 49
060 Power Plants 6 6 8 11 15 46
210 Liquid Purification or Separation 8 7 14 10 7 46
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 7 6 16 12 4 45
386 Motion Video Signal Processing for Recording or Reproducing 10 9 8 3 11 41
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 10 10 6 7 8 41
033 Geometrical Instruments 7 7 8 10 5 37
307 Electrical Transmission or Interconnection Systems 2 4 7 13 11 37
114 Ships 2 7 9 5 12 35
239 Fluid Sprinkling, Spraying, and Diffusing 3 8 9 9 6 35
005 Beds 6 5 6 8 9 34
174 Electricity: Conductors and Insulators 8 8 10 0 7 33
273 Amusement Devices: Games 2 8 11 7 5 33
351 Optics: Eye Examining, Vision Testing and Correcting 10 4 8 5 6 33
423 Chemistry of Inorganic Compounds 2 9 7 7 8 33
434 Education and Demonstration 2 3 10 5 13 33
220 Receptacles 1 2 5 13 11 32
015 Brushing, Scrubbing, and General Cleaning 5 6 5 10 5 31
123 Internal-Combustion Engines 7 2 6 11 5 31
427 Coating Processes 3 10 6 4 8 31
062 Refrigeration 5 3 12 3 6 29
405 Hydraulic and Earth Engineering 4 6 6 8 5 29
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 6 3 7 5 8 29
296 Land Vehicles: Bodies and Tops 6 1 5 8 8 28
353 Optics: Image Projectors 3 2 3 11 9 28
378 X-Ray or Gamma Ray Systems or Devices 3 6 4 6 9 28
036 Boots, Shoes, and Leggings 5 5 6 5 6 27
398 Optical Communications 3 2 7 7 8 27
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 5 3 5 6 7 26
083 Cutting 3 2 7 5 8 25
206 Special Receptacle or Package 11 4 2 5 3 25
297 Chairs and Seats 4 4 6 4 7 25
426 Food or Edible Material: Processes, Compositions, and Products 1 4 6 3 11 25
473 Games Using Tangible Projectile 3 4 6 5 7 25
708 Arithmetic Processing and Calculating (Electrical Computers) 7 7 5 5 1 25
043 Fishing, Trapping, and Vermin Destroying 5 3 8 4 4 24
047 Plant Husbandry 3 7 6 6 2 24
292 Closure Fasteners 2 2 8 8 4 24
320 Electricity: Battery or Capacitor Charging or Discharging 3 2 6 4 9 24
271 Sheet Feeding or Delivering 3 7 10 2 1 23
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 2 5 6 3 7 23
330 Amplifiers 6 8 2 1 6 23
372 Coherent Light Generators 3 6 6 3 4 22
396 Photography 2 3 7 4 6 22
024 Buckles, Buttons, Clasps, Etc. 2 7 4 5 3 21
290 Prime-Mover Dynamo Plants 3 3 5 3 7 21
446 Amusement Devices: Toys 4 5 7 4 1 21
095 Gas Separation: Processes 3 2 5 3 7 20
219 Electric Heating 5 2 5 6 2 20
241 Solid Material Comminution or Disintegration 2 6 3 5 4 20
323 Electricity: Power Supply or Regulation Systems 3 5 4 2 6 20
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 7 2 6 3 2 20
072 Metal Deforming 3 2 3 6 5 19
137 Fluid Handling 5 3 3 4 4 19
162 Paper Making and Fiber Liberation 5 6 4 2 2 19
180 Motor Vehicles 3 5 4 4 3 19
331 Oscillators 4 5 2 6 2 19
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 6 2 5 5 19
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 6 4 0 4 5 19
042 Firearms 2 5 3 4 4 18
315 Electric Lamp and Discharge Devices: Systems 1 4 2 5 6 18
318 Electricity: Motive Power Systems 5 2 3 2 6 18
002 Apparel 3 4 2 4 4 17
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 4 1 7 2 3 17
198 Conveyors: Power-Driven 4 2 6 1 4 17
209 Classifying, Separating, and Assorting Solids 2 3 5 5 2 17
451 Abrading 3 2 3 3 6 17
602 Surgery: Splint, Brace, or Bandage 0 5 4 5 3 17
224 Package and Article Carriers 3 4 4 4 1 16
303 Fluid-Pressure and Analogous Brake Systems 2 2 6 4 2 16
403 Joints and Connections 4 2 4 2 4 16
030 Cutlery 2 4 1 3 5 15
081 Tools 5 1 4 3 2 15
181 Acoustics 2 4 4 3 2 15
204 Chemistry: Electrical and Wave Energy 0 4 5 2 4 15
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 2 4 4 4 15
326 Electronic Digital Logic Circuitry 3 1 4 5 2 15
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 3 3 6 2 15
099 Foods and Beverages: Apparatus 2 3 4 0 5 14
119 Animal Husbandry 1 2 3 4 4 14
136 Batteries: Thermoelectric and Photoelectric 1 2 2 7 2 14
374 Thermal Measuring and Testing 2 2 3 3 4 14
400 Typewriting Machines 3 3 3 3 2 14
410 Freight Accommodation On Freight Carrier 2 1 5 2 4 14
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 1 2 7 3 14
048 Gas: Heating and Illuminating 1 2 2 3 5 13
053 Package Making 0 1 2 5 5 13
070 Locks 1 1 1 7 3 13
134 Cleaning and Liquid Contact with Solids 0 3 4 5 1 13
144 Woodworking 2 0 4 6 1 13
294 Handling: Hand and Hoist-Line Implements 3 2 2 2 4 13
349 Liquid Crystal Cells, Elements and Systems 1 0 2 6 4 13
408 Cutting by Use of Rotating Axially Moving Tool 2 4 0 2 5 13
414 Material or Article Handling 2 2 4 2 3 13
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 1 4 2 5 13
601 Surgery: Kinesitherapy 1 1 5 3 3 13
096 Gas Separation: Apparatus 1 1 1 4 5 12
175 Boring or Penetrating the Earth 3 3 2 3 1 12
211 Supports: Racks 6 1 0 3 2 12
366 Agitating (e.g., of articles and materials) 1 2 1 1 7 12
044 Fuel and Related Compositions 1 4 1 3 2 11
100 Presses 0 1 0 5 5 11
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 5 4 1 1 11
165 Heat Exchange 2 3 4 1 1 11
200 Electricity: Circuit Makers and Breakers 3 4 0 1 3 11
369 Dynamic Information Storage or Retrieval 3 2 3 2 1 11
004 Baths, Closets, Sinks, and Spittoons 2 0 2 1 5 10
034 Drying and Gas or Vapor Contact with Solids 3 1 1 3 2 10
065 Glass Manufacturing 1 0 1 3 5 10
089 Ordnance 0 3 1 3 3 10
106 Compositions: Coating or Plastic 0 1 4 0 5 10
124 Mechanical Guns and Projectors 0 2 2 3 3 10
126 Stoves and Furnaces 0 3 0 4 3 10
164 Metal Founding 0 2 2 2 4 10
182 Fire Escape, Ladder, or Scaffold 1 0 3 0 6 10
188 Brakes 3 1 1 2 3 10
242 Winding, Tensioning, or Guiding 2 2 2 3 1 10
333 Wave Transmission Lines and Networks 0 6 0 2 2 10
417 Pumps 3 2 2 2 1 10
433 Dentistry 0 0 4 3 3 10
440 Marine Propulsion 1 0 2 5 2 10
040 Card, Picture, or Sign Exhibiting 0 1 1 5 2 9
101 Printing 1 2 0 5 1 9
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 1 2 5 9
216 Etching a Substrate: Processes 2 1 4 2 0 9
252 Compositions 2 2 1 2 2 9
269 Work Holders 1 1 1 5 1 9
404 Road Structure, Process, or Apparatus 2 1 3 2 1 9
416 Fluid Reaction Surfaces (i.e., Impellers) 1 1 2 2 3 9
452 Butchering 2 4 2 1 0 9
037 Excavating 1 2 3 1 1 8
055 Gas Separation 1 0 4 3 0 8
116 Signals and Indicators 0 2 3 1 2 8
135 Tent, Canopy, Umbrella, or Cane 1 1 4 2 0 8
173 Tool Driving or Impacting 3 0 2 1 2 8
222 Dispensing (apparatus and process) 1 0 5 2 0 8
285 Pipe Joints or Couplings 1 1 4 1 1 8
313 Electric Lamp and Discharge Devices 1 3 2 0 2 8
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 3 3 2 8
450 Foundation Garments 0 3 0 1 4 8
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 0 2 4 1 8
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 1 2 2 1 1 7
229 Envelopes, Wrappers, and Paperboard Boxes 3 2 0 1 1 7
336 Inductor Devices 0 2 3 2 0 7
415 Rotary Kinetic Fluid Motors or Pumps 1 1 1 0 4 7
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1 0 4 2 0 7
588 Hazardous or Toxic Waste Destruction or Containment 2 2 0 2 1 7
049 Movable or Removable Closures 0 2 1 2 1 6
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 2 1 1 1 6
102 Ammunition and Explosives 3 0 0 1 2 6
104 Railways 1 3 0 1 1 6
108 Horizontally Supported Planar Surfaces 1 2 2 0 1 6
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 4 2 0 0 0 6
177 Weighing Scales 0 2 1 0 3 6
228 Metal Fusion Bonding 1 2 1 1 1 6
322 Electricity: Single Generator Systems 2 0 0 3 1 6
363 Electric Power Conversion Systems 1 0 1 1 3 6
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 1 1 1 2 6
399 Electrophotography 2 1 2 1 0 6
441 Buoys, Rafts, and Aquatic Devices 1 0 4 0 1 6
504 Plant Protecting and Regulating Compositions 0 0 0 3 3 6
014 Bridges 0 1 1 1 2 5
057 Textiles: Spinning, Twisting, and Twining 1 0 2 0 2 5
071 Chemistry: Fertilizers 0 0 2 1 2 5
074 Machine Element or Mechanism 1 1 0 1 2 5
118 Coating Apparatus 0 2 1 1 1 5
132 Toilet 0 0 1 3 1 5
190 Trunks and Hand-Carried Luggage 0 1 1 1 2 5
221 Article Dispensing 1 0 1 1 2 5
232 Deposit and Collection Receptacles 2 0 0 2 1 5
249 Static Molds 1 2 1 1 0 5
261 Gas and Liquid Contact Apparatus 1 1 1 2 0 5
368 Horology: Time Measuring Systems or Devices 0 1 2 2 0 5
401 Coating Implements with Material Supply 0 0 2 1 2 5
454 Ventilation 0 1 3 1 0 5
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 1 0 0 2 5
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 1 2 0 1 5
585 Chemistry of Hydrocarbon Compounds 0 0 1 0 4 5
054 Harness for Working Animal 1 1 0 1 1 4
056 Harvesters 0 0 2 1 1 4
086 Ammunition and Explosive-Charge Making 0 1 2 1 0 4
111 Planting 2 1 0 1 0 4
148 Metal Treatment 0 0 2 1 1 4
172 Earth Working 0 0 1 2 1 4
215 Bottles and Jars 0 0 2 1 1 4
227 Elongated-Member-Driving Apparatus 1 0 1 1 1 4
266 Metallurgical Apparatus 1 1 0 1 1 4
283 Printed Matter 2 0 1 1 0 4
338 Electrical Resistors 0 1 1 0 2 4
418 Rotary Expansible Chamber Devices 0 2 0 1 1 4
431 Combustion 1 2 0 0 1 4
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 1 0 1 2 4
472 Amusement Devices 0 1 1 1 1 4
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 2 1 1 0 4
007 Compound Hand Tools 0 1 0 1 1 3
012 Boot and Shoe Making 0 1 0 1 1 3
063 Jewelry 0 0 1 1 1 3
092 Expansible Chamber Devices 1 1 0 0 1 3
112 Sewing 0 0 0 1 2 3
157 Wheelwright Machines 2 1 0 0 0 3
169 Fire Extinguishers 0 1 2 0 0 3
194 Check-Actuated Control Mechanisms 1 1 0 1 0 3
202 Distillation: Apparatus 0 0 1 1 1 3
212 Traversing Hoists 0 3 0 0 0 3
236 Automatic Temperature and Humidity Regulation 0 1 0 0 2 3
256 Fences 0 0 1 1 1 3
267 Spring Devices 1 1 1 0 0 3
298 Land Vehicles: Dumping 0 1 1 1 0 3
301 Land Vehicles: Wheels and Axles 0 1 0 0 2 3
384 Bearings 0 1 1 1 0 3
406 Conveyors: Fluid Current 0 0 3 0 0 3
409 Gear Cutting, Milling, or Planing 2 0 1 0 0 3
475 Planetary Gear Transmission Systems or Components 0 0 1 2 0 3
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 0 1 2 0 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 3 0 0 3
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 0 0 2 2
105 Railway Rolling Stock 0 0 2 0 0 2
125 Stone Working 1 0 1 0 0 2
131 Tobacco 0 0 1 0 1 2
138 Pipes and Tubular Conduits 1 0 0 1 0 2
152 Resilient Tires and Wheels 1 0 0 0 1 2
192 Clutches and Power-Stop Control 0 0 0 1 1 2
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 1 1 0 2
203 Distillation: Processes, Separatory 0 0 0 1 1 2
208 Mineral Oils: Processes and Products 0 0 1 0 1 2
251 Valves and Valve Actuation 0 0 2 0 0 2
277 Seal for a Joint or Juncture 0 0 1 0 1 2
312 Supports: Cabinet Structure 0 0 0 2 0 2
355 Photocopying 1 0 1 0 0 2
360 Dynamic Magnetic Information Storage or Retrieval 1 1 0 0 0 2
392 Electric Resistance Heating Devices 0 1 0 1 0 2
420 Alloys or Metallic Compositions 0 0 2 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 0 1 0 2
474 Endless Belt Power Transmission Systems or Components 0 0 0 1 1 2
505 Superconductor Technology: Apparatus, Material, Process 1 0 1 0 0 2
720 Dynamic Optical Information Storage or Retrieval 0 2 0 0 0 2
027 Undertaking 0 1 0 0 0 1
028 Textiles: Manufacturing 0 0 0 0 1 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
059 Chain, Staple, and Horseshoe Making 1 0 0 0 0 1
066 Textiles: Knitting 0 1 0 0 0 1
068 Textiles: Fluid Treating Apparatus 0 0 0 0 1 1
076 Metal Tools and Implements, Making 1 0 0 0 0 1
082 Turning (e.g., for metal working) 0 0 0 0 1 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 1 0 1
091 Motors: Expansible Chamber Type 1 0 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 0 0 1 0 1
110 Furnaces 0 1 0 0 0 1
122 Liquid Heaters and Vaporizers 0 0 0 0 1 1
150 Purses, Wallets, and Protective Covers 0 0 0 0 1 1
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 0 1 1
171 Unearthing Plants or Buried Objects 0 0 1 0 0 1
184 Lubrication 0 0 0 1 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 0 0 1 1
186 Merchandising 1 0 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 0 0 1
223 Apparel Apparatus 1 0 0 0 0 1
225 Severing by Tearing or Breaking 0 0 0 1 0 1
270 Sheet-Material Associating 0 1 0 0 0 1
293 Vehicle Fenders 0 0 1 0 0 1
299 Mining or In Situ Disintegration of Hard Material 0 0 0 0 1 1
305 Wheel Substitutes for Land Vehicles 1 0 0 0 0 1
332 Modulators 0 0 0 1 0 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 1 0 0 0 1
346 Recorders 1 0 0 0 0 1
352 Optics: Motion Pictures 1 0 0 0 0 1
383 Flexible Bags 0 0 0 0 1 1
412 Bookbinding: Process and Apparatus 0 1 0 0 0 1
419 Powder Metallurgy Processes 0 1 0 0 0 1
432 Heating 1 0 0 0 0 1
460 Crop Threshing or Separating 0 0 0 0 1 1
462 Books, Strips, and Leaves for Manifolding 0 0 0 0 1 1
492 Roll or Roller 0 0 0 0 1 1
494 Imperforate Bowl: Centrifugal Separators 0 1 0 0 0 1
501 Compositions: Ceramic 0 1 0 0 0 1
ALL ALL CLASSES 3517 4309 5258 4765 5390 23239


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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