Door lock

Details Door lock Door lock

1976-01-20

1977-03-15

Frazier, Roy D.

Closure fasteners

Bolts

Sliding

292140, 292169, E05C 112

Patent

active

040120643

ABSTRACT:
A door lock wherein a generally U-shaped body straddles a door edge, the U-shaped body carrying a retractable bolt, actuating knobs or the like, interconnecting means between the bolt and actuating means, and suitable locking and releasing means.

REFERENCES:
patent: 487153 (1892-11-01), Orth
patent: 1380545 (1921-06-01), Edgerly
patent: 1484500 (1924-02-01), Hope
patent: 1981289 (1934-11-01), Schlage
patent: 2233828 (1941-03-01), Anderson
patent: 2311298 (1943-02-01), Marsh
patent: 2596949 (1952-05-01), Welch et al.
patent: 2661977 (1953-12-01), Welch et al.
patent: 2669474 (1954-02-01), Kanell
patent: 2724607 (1955-11-01), Fisler
patent: 2899228 (1959-08-01), Polchinski et al.
patent: 3471188 (1969-10-01), Hawkins
patent: 3623757 (1971-11-01), Schlage

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