Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Lifter
Reexamination Certificate
2006-11-21
2006-11-21
Wilson, Lee D. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Pipe or rod jack
Lifter
C254S00400R
Reexamination Certificate
active
07137616
ABSTRACT:
A pole pulling device is provided for removing a pole from the ground. The pole pulling device includes a support structure extending along an longitudinal axis. A cable has a first end connectable to a support structure and a second end positionable about the pole. A slider assembly engages the cable and is slidable along an axis from a lowered position to an elevated position so as to remove the pole from the ground with the cable.
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Article entitled: “Skid-Steer Sets Poles” by Roco North America, Apr. 21, 2004.
Boyle Fredrickson Newholm Stein & Gratz S.C.
Wilson Lee D.
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