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Class Information
Number: 254/131
Name: Implements or apparatus for applying pushing or pulling force > Single throw lever > Special engaging feature
Description: Pushing and pulling implement of the single throw lever type comprising special structural features for engagement with the object upon which the implement is to act.

Sub-classes under this class:

Class Number Class Name Patents
254/131.5 Fulcrumed fork or shovel 61
254/132 Root puller type 80

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
4030700 Manually operated log breaking device Jun. 21, 1977
4027709 Tractor mounted log splitter Jun. 7, 1977
4012075 Device for adjusting the legs of adjustable wheelchairs Mar. 15, 1977
4012074 Device for adjusting the legs of adjustable wheelchairs Mar. 15, 1977
4010931 Door lifting and holding tool Mar. 8, 1977
3991976 Implement for driving and removing fence posts Nov. 16, 1976
3985338 Manhole cover lifter Oct. 12, 1976
3978573 Device for extracting bushings from a bushing support Sep. 7, 1976
3973283 Tire change assist tool Aug. 10, 1976
3965720 Hinge adjustment tool Jun. 29, 1976
RE28879 Tractor trailer fifth-wheel release tool Jun. 29, 1976
3964729 Elevating device for snowmobiles Jun. 22, 1976
3962770 Elbow puller Jun. 15, 1976
3957247 Method for lifting a manhole cover May. 18, 1976
3953048 Joist dolly Apr. 27, 1976
3945087 Door clamp Mar. 23, 1976
3945611 Tilting device Mar. 23, 1976
3945065 Lumbering tool Mar. 23, 1976
3940171 Lifting device, particularly for lifting and transporting building boards, such as plaster and wood particle boards Feb. 24, 1976
3934853 Tire retrieval tool Jan. 27, 1976

1 2 3 4 5 6 7 8

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