Stake removal tool

Handling: hand and hoist-line implements – Hand bars and hand barrows – Opposing jaws

Reexamination Certificate

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Details

C254S02900A, C294S902000

Reexamination Certificate

active

07017962

ABSTRACT:
A stake removal tool, in one embodiment, includes a link bar (105, 405), a first handle (110, 410) and a second handle (120, 420) coupled to the link bar, a first gripper (130) attached to the first handle, and a second gripper (140) attached to the second handle. Each of the first and second grippers comprise a first surface (231, 241) and a second surface (232, 242) spaced apart by a circumferential face (233, 243), and at least one circumferential ridge (234, 244) protruding from and extending circumferentially along at least a portion of the circumferential face. The at least one circumferential ridge is substantially parallel to the first and second surfaces. In another embodiment, the first and second handles include integral gripping surfaces (539, 549).

REFERENCES:
patent: 877012 (1908-01-01), Sullivan
patent: 1094113 (1914-04-01), Bissen et al.
patent: 1364589 (1921-01-01), Schultz
patent: 1469911 (1923-10-01), Aumiller
patent: 1837990 (1931-12-01), Otis
patent: 2160891 (1939-06-01), Neff
patent: 2376676 (1945-05-01), Ferguson
patent: 2688512 (1954-09-01), Cadorette
patent: 3119597 (1964-01-01), Stephens
patent: 3137520 (1964-06-01), Larouche
patent: 4671493 (1987-06-01), Ravencroft
patent: 4795202 (1989-01-01), Mader
patent: 6302376 (2001-10-01), Williams

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