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Class Information
Number: 73/423A
Name: Measuring and testing >
Description:










Sub-classes under this class:

Class Number Class Name Patents
73/1.01 Instrument proving or calibrating 346
73/104 Surface and cutting edge testing 377
73/11.01 Testing impact delivering device (e.g., a hammer) 60
73/11.04 Testing of shock absorbing device (e.g., automobile shock absorber, gun recoil apparatus, etc.) 81
73/112 Power plant or unit efficiency 73
73/116 Motor and engine testing 1,109
73/12.01 Testing by impact or shock 193
73/121 Brake testing 189
73/146 Tire, tread or roadway 1,430
73/147 Wind tunnel: aerodynamic wing and propeller study 306
73/148 Model basin and testing tank 28
73/149 Volumetric content measuring 353
73/150R Coating material: ink adhesive and/or plastic 152
73/152.01 Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) 139
73/156 Statistical record verifying 6
73/157 Record strip sprocket hole testing 8
73/158 Hoisting cable and rope 32
73/159 Sheet, woven fabric or fiber 549
73/161 Spring testing 77
73/162 Toothed gear 106
73/163 Coin 43
73/164 Miner's lamp 1
73/167 Ordnance and projectile 228
73/168 Blower, pump, and hydraulic equipment 415
73/169 Flour, dough, or bread 29
73/170.01 Fluid flow direction (e.g., wind sock, weather vane, etc.) 101
73/170.16 Meteorology 149
73/170.29 Oceanology (e.g., oceans, rivers, or lakes) 94
73/172 Orthopedic pressure distribution 130
73/178R Navigation 569
73/19.01 Gas content of a liquid or a solid 174
73/23.2 Gas analysis 973
73/290R Liquid level or depth gauge 919
73/32R Specific gravity or density of liquid or solid 201
73/35.01 Engine detonation (e.g., knock) 68
73/35.14 Explosive 48
73/36 Illuminating fluid 27
73/37 With fluid pressure 440
73/379.01 Muscular force (e.g., strength testing, exercising or training effort, etc.) 182
73/382R Gravitational determination 108
73/384 Barometer (e.g., altimeter) 90
73/426 Measuring vessel 83
73/430 Instrument mechanism dampening 52
73/431 Instrument casing 403
73/432.1 Miscellaneous 177
73/488 Speed, velocity, or acceleration 238
73/52 Testing sealed receptacle 273
73/53.01 Liquid analysis or analysis of the suspension of solids in a liquid 418
73/570 Vibration 164
73/65.01 Center of gravity; turning moment; metacentric height 60
73/66 Rotor unbalance 86
73/7 By abrasion, milling, rubbing, or scuffing 250
73/700 Fluid pressure gauge 293
73/73 Moisture content or absorption characteristic of material 581
73/760 Specimen stress or strain, or testing by stress or strain application 439
73/78 Hardness 114
73/86 Embrittlement or erosion 217
73/861 Volume or rate of flow 415
73/862 Dynamometers 112
73/863 Sampler, sample handling, etc. 307
73/865 Mass 93
73/865.1 Human stress limit (e.g., decompression gauge for divers) 62
73/865.2 Hydraulic altimeter 21
73/865.3 Testing by imparting motion 111
73/865.4 Analyzing bodily movement (e.g., skills or kinetics of handwriting) 93
73/865.5 Particle size 338
73/865.6 Simulated environment (e.g., test chambers) 460
73/865.7 Touch or taste 48
73/865.8 Inspecting 754
73/865.9 Testing of apparatus 688
73/866 Testing of material 482
73/866.1 Instrument mechanism or transmission 123
73/866.3 Display or display device details 110
73/866.4 Specimen model or analog 164
73/866.5 Probe or probe mounting 908
73/87 Ductility or brittleness 26
73/9 Frictional resistance, coefficient or characteristics 313
73/900 Automatic gain control 31
73/901 Digital readout 14
73/DIG.1 Vibration 155
73/DIG.10 Instrument mechanisms with acceleration compensation 11
73/DIG.11 Photoelectric cell 17
73/DIG.2 Magnetostrictive 81
73/DIG.3 Hall effect 55
73/DIG.4 Piezoelectric 226
73/DIG.5 Liquid levels with magnetic transmission 92
73/DIG.8 Fluid circuits 9
73/DIG.9 Molten metal samplers 80


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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