Movable or removable closures – With protective grille or safety guard – Adjustable to various size opening
Patent
1978-01-16
1979-07-31
Downey, Kenneth
Movable or removable closures
With protective grille or safety guard
Adjustable to various size opening
49 57, 52507, E06B 368
Patent
active
041625900
ABSTRACT:
A burglar bar apparatus for mounting to a frame of a window opening in a building includes at least one extendable mounting member on at least one side edge of the apparatus and having substantially coextensive guard means externally protecting such mounting member.
REFERENCES:
patent: 1045837 (1912-12-01), Hager
patent: 2503503 (1950-04-01), McGaffen
patent: 3942576 (1976-03-01), Rickard
Baldwin George H.
Downey Kenneth
Yeager Arthur G.
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