Hinge-lock security system

Details Hinge-lock security system Hinge-lock security system

1995-02-13

1996-09-10

Rachuba, M.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

With diverse art portion or attachment

16343, 16349, 16388, 70105, 70136, 70137, 292210, E05D 1110

Patent

active

055533515

ABSTRACT:
A hinge-lock security system for preventing relative motion between a door and a door frame.

REFERENCES:
patent: 1248854 (1917-12-01), Henderson
patent: 1411220 (1922-03-01), Meyers
patent: 1428915 (1922-09-01), Seweryn
patent: 1452406 (1923-04-01), Arm
patent: 1456886 (1923-05-01), Gober
patent: 1510561 (1924-10-01), Segal
patent: 2577456 (1951-12-01), Doman
patent: 3636659 (1972-01-01), Bylicki
patent: 3805325 (1974-04-01), Lee
patent: 3811150 (1974-05-01), Chalmers
patent: 3970340 (1976-07-01), Taft
patent: 4135273 (1979-01-01), Holmes
patent: 4564974 (1986-01-01), McGrail et al.
patent: 4648252 (1987-03-01), Dugan

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