Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Reexamination Certificate
2006-11-14
2006-11-14
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Wall- or floor-attached
Independent rung or step
C182S090000
Reexamination Certificate
active
07134524
ABSTRACT:
A tree-climbing assembly includes at least one tree step and a tool for rotating the tree step relative to a tree such that the tree step is threadingly coupled to the tree. The tree step includes a threaded first portion, a foot peg, and a second portion that extends between the first portion and the foot peg. The tool includes a retaining sub-assembly and a handle that extends outwardly from the retaining sub-assembly. The retaining sub-assembly includes a first retainer and a second retainer. The second retainer is for engaging the tree step second portion during rotation of the tree step, and the tool first retainer is for engaging the tree step threaded first portion during rotation of the tree step such that the tool handle is substantially concentrically aligned with respect to the tree step first portion.
REFERENCES:
patent: 3298459 (1967-01-01), Bergsten
patent: 4275621 (1981-06-01), Mallott, Sr.
patent: 4413706 (1983-11-01), Michael
patent: 4415061 (1983-11-01), Meyer
patent: 4449612 (1984-05-01), Southard
patent: 4509393 (1985-04-01), Castiglione
patent: 4689881 (1987-09-01), Fall
patent: 4775030 (1988-10-01), Wright
patent: 5335569 (1994-08-01), Rowley
patent: 5624007 (1997-04-01), Mahaffy
patent: 5743353 (1998-04-01), Browning et al.
patent: 5791208 (1998-08-01), Grubbs
patent: 5806625 (1998-09-01), Katz
patent: 5881837 (1999-03-01), Leicht
patent: 5887677 (1999-03-01), Malmgren
patent: 5899124 (1999-05-01), Cross, Jr.
patent: 5941485 (1999-08-01), Davidson et al.
patent: 5944139 (1999-08-01), Kozial
patent: 5967475 (1999-10-01), Johnson
patent: 6101905 (2000-08-01), Hu
patent: 6230592 (2001-05-01), Hsiao
patent: 6439343 (2002-08-01), Jorges et al.
patent: 2002/0029931 (2002-03-01), Bridges
Armstrong Teasdale LLP
Thompson II Hugh B.
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