Closure fasteners – Bolts – Screw
Patent
1977-08-17
1978-11-28
Moore, Richard E.
Closure fasteners
Bolts
Screw
E05C 504
Patent
active
041272935
ABSTRACT:
A panic latch for a grate or other covering for a window or other opening in a building which securely fastens the grate over the opening, yet immediately releases when acted upon by a person inside the building who desires to exit through the opening.
REFERENCES:
patent: 1475907 (1923-11-01), Volman
patent: 2209495 (1940-07-01), Scholfield
patent: 3921334 (1975-11-01), Black, Sr.
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