Static structures (e.g. – buildings) – Jail-type structure
Patent
1994-02-14
1995-02-28
Friedman, Carl D.
Static structures (e.g., buildings)
Jail-type structure
52507, 49 50, E04H 308
Patent
active
053925700
ABSTRACT:
A security bar assembly for an entrance to a building to prevent the entrance of intruders while enabling individuals to exit the building includes a plurality of security bars, a first and second mounting bracket, an interlocking member slidably mounted in relationship to the first mounting bracket.
REFERENCES:
patent: 973733 (1910-10-01), Wilson
patent: 1634843 (1927-07-01), McWane
patent: 4669239 (1987-06-01), Maggs et al.
patent: 5269096 (1993-12-01), Hade
patent: 5313748 (1994-05-01), Hughes, Jr.
Boss Gerald R.
Flint Cort
Friedman Carl D.
Smith Creighton
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