Door security pin

Details Door security pin Door security pin

1974-09-19

1976-02-10

Moore, Richard E.

Closure fasteners

Rigid engaging means

85 9R, 16137, E05C 1918

Patent

active

039375064

ABSTRACT:
A security pin for installation between a door jamb and a door to prevent unauthorized entry through the door, when locked, by removal of the door hinge pins.

REFERENCES:
patent: 1412875 (1922-04-01), Knuth
patent: 1651320 (1927-11-01), Brugmann
patent: 2770276 (1956-11-01), Broder
patent: 3003802 (1961-10-01), Wilson
patent: 3405595 (1968-10-01), Peterson

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