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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 352
73/104 Surface and cutting edge testing 380
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.) 83
73/112 Power plant or unit efficiency 73
73/116 Motor and engine testing 1,109
73/12.01 Testing by impact or shock 196
73/121 Brake testing 194
73/146 Tire, tread or roadway 1,443
73/147 Wind tunnel: aerodynamic wing and propeller study 310
73/148 Model basin and testing tank 28
73/149 Volumetric content measuring 357
73/150R Coating material: ink adhesive and/or plastic 155
73/152.01 Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) 140
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 551
73/161 Spring testing 77
73/162 Toothed gear 106
73/163 Coin 45
73/164 Miner's lamp 1
73/167 Ordnance and projectile 229
73/168 Blower, pump, and hydraulic equipment 416
73/169 Flour, dough, or bread 29
73/170.01 Fluid flow direction (e.g., wind sock, weather vane, etc.) 104
73/170.16 Meteorology 151
73/170.29 Oceanology (e.g., oceans, rivers, or lakes) 95
73/172 Orthopedic pressure distribution 131
73/178R Navigation 569
73/19.01 Gas content of a liquid or a solid 175
73/23.2 Gas analysis 979
73/290R Liquid level or depth gauge 928
73/32R Specific gravity or density of liquid or solid 202
73/35.01 Engine detonation (e.g., knock) 69
73/35.14 Explosive 48
73/36 Illuminating fluid 27
73/37 With fluid pressure 443
73/379.01 Muscular force (e.g., strength testing, exercising or training effort, etc.) 184
73/382R Gravitational determination 109
73/384 Barometer (e.g., altimeter) 90
73/426 Measuring vessel 87
73/430 Instrument mechanism dampening 53
73/431 Instrument casing 414
73/432.1 Miscellaneous 180
73/488 Speed, velocity, or acceleration 241
73/52 Testing sealed receptacle 275
73/53.01 Liquid analysis or analysis of the suspension of solids in a liquid 422
73/570 Vibration 165
73/65.01 Center of gravity; turning moment; metacentric height 63
73/66 Rotor unbalance 87
73/7 By abrasion, milling, rubbing, or scuffing 250
73/700 Fluid pressure gauge 302
73/73 Moisture content or absorption characteristic of material 586
73/760 Specimen stress or strain, or testing by stress or strain application 449
73/78 Hardness 116
73/86 Embrittlement or erosion 219
73/861 Volume or rate of flow 420
73/862 Dynamometers 116
73/863 Sampler, sample handling, etc. 315
73/865 Mass 95
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) 96
73/865.5 Particle size 339
73/865.6 Simulated environment (e.g., test chambers) 463
73/865.7 Touch or taste 48
73/865.8 Inspecting 764
73/865.9 Testing of apparatus 696
73/866 Testing of material 489
73/866.1 Instrument mechanism or transmission 125
73/866.3 Display or display device details 111
73/866.4 Specimen model or analog 164
73/866.5 Probe or probe mounting 917
73/87 Ductility or brittleness 28
73/9 Frictional resistance, coefficient or characteristics 315
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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