Sash lock

Details Sash lock Sash lock

1977-01-03

1978-07-25

Burke, Wallace R.

Tools and hardware

Locking or closing device

Lock, latch or bolt

D0807

Patent

active

D02486172

REFERENCES:
patent: D215080 (1969-09-01), Ahlgren
patent: 963983 (1910-07-01), Bernhard
patent: 1899466 (1933-02-01), Kistner
patent: 2605125 (1952-07-01), Emerson
1975 Sweet's Architectural Catalog, vol. 6, Section 8.16/an, p. 19, Sash Lock, 9, center of page.

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