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Class Information
Number: 254/134FT
Name: Implements or apparatus for applying pushing or pulling force >
Description:










Sub-classes under this class:

Class Number Class Name Patents
254/1 Miscellaneous 118
254/10.5 Metallic spring stretcher and/or compressor (e.g., leaf, helical, or coil springs) 86
254/104 Wedge 166
254/105 Step-by-step traveling bar 51
254/11 Floor jack type 34
254/113 Single throw lever and bar 18
254/120 Single throw lever 50
254/133R Special engaging elements 214
254/134.3R Method or apparatus for placement of conductive wire 366
254/18 Nail extractor type 61
254/199 Portable implements or apparatus for tensioning flexible material or for extracting stumps or poles 45
254/264 Apparatus for hauling or hoisting load, including driven device which contacts and pulls on cable 87
254/28 Staple puller 124
254/28.5 Thill-coupling jack 0
254/29R Pipe or rod jack 151
254/2R Hoisting truck 143
254/32 Axle-lubricating jack 1
254/33 Car journal box lifting 3
254/35 Car-pusher type 9
254/387 Load engaging member and power transmitting cable for shifting member relative to structure which contacts and guides member 42
254/388 Means supported by, and maintaining relative spacing between, longitudinal runs of an endless load moving cable 22
254/389 Device or member for contacting and guiding moving cable 92
254/39 Door brace 2
254/40 Printer's quoins 7
254/418 Vehicle attached jack 74
254/43 Rail or tie shafter 17
254/45 Vehicle-body lifters 73
254/50.1 Resilient tire-casing spreaders 8
254/84 Traversing jack 16
254/88 Inclined plane lifter 149
254/89R Multiple lifters (e.g., vehicle lifts) 111
254/900 Cable pulling drum having wave motion responsive actuator for operating drive or rotation retarding means 46
254/901 Antifriction means for cable pulling drum 14
254/902 Either drum, pulley wheel element, or cable constructed from specific material 18
254/903 Yieldable, constant engagement, friction coupling (e.g., slip clutch) in drive for cable pulling drum 29
254/93R Fluid pressure 287
254/94 Rocking supports 43
254/95 Rack and pinion 74
254/98 Screw 106
254/DIG.1 Jack bases 65
254/DIG.10 Tire or rim expanding or contracting devices 3
254/DIG.11 Cable drum feed for presser 0
254/DIG.12 Pawls 4
254/DIG.13 Vehicle retarding drums 0
254/DIG.14 Rope attachment 17
254/DIG.15 Motor clamps 0
254/DIG.16 Automobile transmission jack 21
254/DIG.2 Electric screw jacks 33
254/DIG.3 Jack handles 39
254/DIG.4 Object engaging heads for jacks 50
254/DIG.5 Means for depressing foot brake when adjusting same 15
254/DIG.6 Flexible rack and pinion 7
254/DIG.7 Printers form trucks 0
254/DIG.8 Screw jacks, plural section nut 1
254/DIG.9 Vehicle-operated lift platform 4


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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