Movable or removable closures – With protective grille or safety guard – Adjustable to various size opening
Patent
1977-07-21
1978-10-24
Kannan, Philip C.
Movable or removable closures
With protective grille or safety guard
Adjustable to various size opening
49 61, 403109, E06B 368
Patent
active
041213785
ABSTRACT:
An anti-burglar guard for a double hung window construction including a generally rectangular frame having upstanding side frame members mounting vertically staggered slidable sashes. The window guard includes a transversely extending elongate barrier and anchoring members, adjustably mounted on the barrier, for mounting the barrier on the side frame members adjacent one of the window sashes. The barrier mounts a stop which projects into the path of the other window sash to limit sliding movement thereof.
REFERENCES:
patent: 452255 (1891-05-01), Bray
patent: 1641523 (1927-09-01), Bell
patent: 1745661 (1930-02-01), Dittrich
patent: 2753762 (1956-07-01), Dorgelys
patent: 2866238 (1958-12-01), Lamb
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