Tree ladder

Details Tree ladder Tree ladder

2007-07-03

2007-07-03

Thompson, II, Hugh B. (Department: 3634)

Fire escape, ladder, or scaffold

Wall- or floor-attached

Ladder

Reexamination Certificate

active

10077735

ABSTRACT:
A ladder for climbing trees and other vertical elements having a pair of spaced stiles, a plurality of rungs between such stiles and stand off elements on the stiles or rungs for spacing the ladder from the object to be climbed which will maintain the ladder in generally parallel relation to the object. Adjustable straps secure the ladder to the object. The ladder is provided in joinable sections to permit the same to be erected against the object without scaling the ladder.

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patent: 5105908 (1992-04-01), Freund
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patent: 5590738 (1997-01-01), Hunt et al.
patent: 5655623 (1997-08-01), Skyba
patent: 5779001 (1998-07-01), Skyba
patent: 5791436 (1998-08-01), Talley, Sr.
patent: 6053278 (2000-04-01), Myers
patent: 6138792 (2000-10-01), Morris
patent: 6516918 (2003-02-01), Hess

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