Door lock device

Details Door lock device Door lock device

1975-10-17

1977-01-25

Moore, Richard E.

Closure fasteners

Portable

E05C 1918

Patent

active

040048330

ABSTRACT:
A lock bolt device which comprises a lock bolt received upon the shaft of a door knob and extending into an aperture in a retaining plate attached to the door jamb.

REFERENCES:
patent: 827624 (1906-07-01), Foster
patent: 1239802 (1917-09-01), Macbeth
patent: 1894913 (1933-01-01), Sadler
patent: 2536352 (1951-01-01), Butcher

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