US Patent Class 254
IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE-- Main Headings




Electronic
File
Wrappers


Electronic
Patent
Documents


Paper
Patent
Documents

Current as of: June, 1999
Click for All Classes

Internet Version by PATENTEC © 1999       Terms of Use



Products
and
Services


CLASS NOTES
1  DF  MISCELLANEOUS
2 R  DF  HOISTING TRUCK {8}
10.5  DF  METALLIC SPRING STRETCHER AND/OR COMPRESSOR (E.G., LEAF, HELICAL, OR COIL SPRINGS)
11  DF  FLOOR JACK TYPE {5}
18  DF  NAIL EXTRACTOR TYPE {3}
28  DF  STAPLE PULLER
28.5  DF  THILL-COUPLING JACK
29 R  DF  PIPE OR ROD JACK {2}
32  DF  AXLE-LUBRICATING JACK
33  DF  CAR JOURNAL BOX LIFTING {1}
35  DF  CAR-PUSHER TYPE {1}
39  DF  DOOR BRACE
40  DF  PRINTER'S QUOINS {2}
43  DF  RAIL OR TIE SHAFTER {1}
45  DF  VEHICLE-BODY LIFTERS {3}
50.1  DF  RESILIENT TIRE-CASING SPREADERS {3}
134.3 R  DF  METHOD OR APPARATUS FOR PLACEMENT OF CONDUCTIVE WIRE {7}
199  DF  PORTABLE IMPLEMENTS OR APPARATUS FOR TENSIONING FLEXIBLE MATERIAL OR FOR EXTRACTING STUMPS OR POLES {12}
84  DF  TRAVERSING JACK {1}
418  DF  VEHICLE ATTACHED JACK {8}
264  DF  APPARATUS FOR HAULING OR HOISTING LOAD, INCLUDING DRIVEN DEVICE WHICH CONTACTS AND PULLS ON CABLE {4}
88  DF  INCLINED PLANE LIFTER
89 R  DF  MULTIPLE LIFTERS (E.G., VEHICLE LIFTS) {4}
93 R  DF  FLUID PRESSURE {5}
94  DF  ROCKING SUPPORTS
95  DF  RACK AND PINION {2}
98  DF  SCREW {4}
104  DF  WEDGE
105  DF  STEP-BY-STEP TRAVELING BAR {3}
113  DF  SINGLE THROW LEVER AND BAR {2}
120  DF  SINGLE THROW LEVER {6}
387  DF  LOAD ENGAGING MEMBER AND POWER TRANSMITTING CABLE FOR SHIFTING MEMBER RELATIVE TO STRUCTURE WHICH CONTACTS AND GUIDES MEMBER
133 R  DF  SPECIAL ENGAGING ELEMENTS {2}
388  DF  MEANS SUPPORTED BY, AND MAINTAINING RELATIVE SPACING BETWEEN, LONGITUDINAL RUNS OF AN ENDLESS LOAD MOVING CABLE
389  DF  DEVICE OR MEMBER FOR CONTACTING AND GUIDING MOVING CABLE {2}
******************************
CROSS-REFERENCE ART COLLECTIONS
******************************
900  DF  CABLE PULLING DRUM HAVING WAVE MOTION RESPONSIVE ACTUATOR FOR OPERATING DRIVE OR ROTATION RETARDING MEANS
901  DF  ANTIFRICTION MEANS FOR CABLE PULLING DRUM
902  DF  EITHER DRUM, PULLEY WHEEL ELEMENT, OR CABLE CONSTRUCTED FROM SPECIFIC MATERIAL
903  DF  YIELDABLE, CONSTANT ENGAGEMENT, FRICTION COUPLING (E.G., SLIP CLUTCH) IN DRIVE FOR CABLE PULLING DRUM
******************************
DIGESTS
******************************
DIG 1  DF  Jack bases
DIG 2  DF  Electric screw jacks
DIG 3  DF  Jack handles
DIG 4  DF  Object engaging heads for jacks
DIG 5  DF  Means for depressing foot brake when adjusting same
DIG 6  DF  Flexible rack and pinion
DIG 7  DF  Printers form trucks
DIG 8  DF  Screw jacks, plural section nut
DIG 9  DF  Vehicle-operated lift platform
DIG 10  DF  Tire or rim expanding or contracting devices
DIG 11  DF  Cable drum feed for presser
DIG 12  DF  Pawls
DIG 13  DF  Vehicle retarding drums
DIG 14  DF  Rope attachment
DIG 15  DF  Motor clamps
DIG 16  DF  AUTOMOBILE TRANSMISSION JACK