Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Closure checks – Spring
Patent
1988-07-21
1989-11-21
Silverberg, Fred A.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Closure checks
Spring
292343, D 8402, E05C 1754
Patent
active
048812935
ABSTRACT:
A wedge member usable as a door stop on a carpeted floor. Special triangular cross-sectioned grooves are formed in the lower face of the wedge member to bend and trap carpet pile yarns, whereby the wedge member is prevented from sliding out from beneath the door lower edge.
REFERENCES:
patent: 171807 (1876-01-01), Hoffman
patent: 377927 (1888-02-01), Campbell
patent: 804585 (1905-11-01), Depue
patent: 1845829 (1932-02-01), Carnal
patent: 1915795 (1933-06-01), MacMillan
patent: 1939402 (1933-12-01), Mosher
patent: 2898140 (1959-08-01), Gislason
patent: 3143369 (1964-08-01), Adams
patent: 3328065 (1967-06-01), Arenson
patent: 3706112 (1972-12-01), Newell
patent: 4230353 (1980-10-01), Bjorgum
McRae John E.
Silverberg Fred A.
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