Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Reexamination Certificate
2006-09-26
2006-09-26
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
C182S151000
Reexamination Certificate
active
07111708
ABSTRACT:
A knock down sawhorse includes a rail, a pair of legs and a spreader having notches and slots for enabling assembly and disassembly thereof along with holes disposed in each of the rails, legs and spreaders for enabling alignment of the holes with one another upon stacking of the rail, legs and spreaders thereby enabling a handle to maintain the stacked configuration for storage and transport.
REFERENCES:
patent: 145174 (1873-12-01), Harden
patent: 1583652 (1926-05-01), Brooks
patent: 1612941 (1927-01-01), Peachee
patent: 2911265 (1959-11-01), Hannah
patent: 3035660 (1962-05-01), Leon
patent: 3315574 (1967-04-01), Field et al.
patent: 3603656 (1971-09-01), Ferman
patent: D245105 (1977-07-01), Rader
patent: 4105091 (1978-08-01), Mahan
patent: 4182432 (1980-01-01), Cossitt
patent: 4390081 (1983-06-01), Olmsted
patent: 4433753 (1984-02-01), Watson
patent: 4574917 (1986-03-01), Stoddard
patent: D306349 (1990-02-01), Logan, Jr.
patent: 4923051 (1990-05-01), Newville
patent: D308728 (1990-06-01), Carlson
patent: 4943035 (1990-07-01), Thomson et al.
patent: D315025 (1991-02-01), Hall
patent: 6254158 (2001-07-01), Brunelle
Chin-Shue Alvin
Hackler Walter A.
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