Fire escape – ladder – or scaffold – Convertible – Ladder
Reexamination Certificate
2005-12-23
2010-11-09
Redman, Jerry (Department: 3634)
Fire escape, ladder, or scaffold
Convertible
Ladder
C182S020000, C182S021000, C182S035000, C182S165000
Reexamination Certificate
active
07828117
ABSTRACT:
A combination chair and ladder assembly including a center leg, a rear leg and a front leg wherein the rear leg is pivotally connected to the center leg and swings outwardly away from the center leg. The assembly includes a lower step or platform assembly including a first platform having first and second portions with a hinge connecting the first and second portions. The front leg is connected to the first platform. In addition, the chair and ladder assembly may include an upper step or platform assembly having a plurality of platforms pivotally connected to the center leg and to a front support member. The lower step or platform assembly operates independently of the upper step or platform assembly.
REFERENCES:
patent: 190027 (1877-04-01), Goffette
patent: 241548 (1881-05-01), Knight
patent: 294808 (1884-03-01), Reindel
patent: 371128 (1887-10-01), Dudley
patent: 387045 (1888-07-01), Braun
patent: 677052 (1901-06-01), Baumer
patent: 791509 (1905-06-01), Soergel
patent: 1362051 (1920-12-01), Stayman
patent: 1439437 (1922-12-01), New
patent: 1723938 (1929-08-01), Ireland
patent: 1755680 (1930-04-01), Wuest
patent: 1820904 (1931-09-01), Beck
patent: 1822399 (1931-09-01), Hayne
patent: 1827418 (1931-10-01), Brown
patent: 1937886 (1933-12-01), Grose
patent: 1950591 (1934-03-01), Bing
patent: 1984506 (1934-12-01), Walters
patent: 2024960 (1935-12-01), Allerding
patent: 2052450 (1936-08-01), Cooney
patent: 2207923 (1940-07-01), Kelso
patent: 2678084 (1954-05-01), Max
patent: 2805703 (1957-09-01), Wise
patent: 3011585 (1961-12-01), Hamilton
patent: 3058544 (1962-10-01), Rossi et al.
patent: 3059722 (1962-10-01), Rouse
patent: 3224530 (1965-12-01), King et al.
patent: 3960241 (1976-06-01), Arias
patent: 4130316 (1978-12-01), Rossi
patent: 4258827 (1981-03-01), Klose
patent: 4276955 (1981-07-01), Hickman
patent: 4557350 (1985-12-01), Wang
patent: 5722507 (1998-03-01), Kain
patent: 7487859 (2009-02-01), Wang
patent: 2003/0015370 (2003-01-01), Aizenberg et al.
patent: 2007/0056797 (2007-03-01), Wang
patent: 2007/0144831 (2007-06-01), Cole
patent: 194139 (1923-03-01), None
patent: 2043143 (1980-10-01), None
patent: 2123888 (1984-02-01), None
patent: 21445 (2004-10-01), None
Burgess Joseph G.
Burgess Law Office, PLLC
Redman Jerry
LandOfFree
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