Window lock

Details Window lock Window lock

1989-01-17

1991-04-30

Burke, Wallace R.

Tools and hardware

Locking or closing device

Lock, latch or bolt

Patent

active

D03165094

REFERENCES:
patent: D209901 (1968-01-01), Fredricksen
patent: D211452 (1968-06-01), Petrell
patent: D295019 (1988-04-01), Bucson
patent: D296982 (1988-08-01), White et al.
patent: 4095829 (1978-06-01), Van Klompenburg
Ironmonger Modern Hardware brochure, 1973, No. 8200, Sash Fastener.
Copy of p. 15 of Truth Incorporated literature showing a Sash Lock in existence prior to Jan. 17, 1988.
Copy of p. 19 of Truth Incorporated literature showing a Cam Lock in existence prior to Jan. 17, 1988.

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