Movable or removable closures – With protective grille or safety guard – Moves relative to primary closure
Patent
1982-05-06
1984-06-05
Kannan, Philip C.
Movable or removable closures
With protective grille or safety guard
Moves relative to primary closure
49 63, 49449, E06B 368
Patent
active
044520115
ABSTRACT:
A grill-type window gate apparatus includes a frame which is mounted in a window opening and a grillwork panel which is movably mounted on the frame. A panel lock assembly is mounted on the grillwork panel and is capable of locking the grillwork panel to the frame when the grillwork panel is in a closed position. A window lock assembly is mounted on the frame and engages the grillwork panel when the same is in the closed position thereby locking a window assembly which is mounted in the window opening.
REFERENCES:
patent: 802983 (1905-10-01), Gilbert
patent: 1633848 (1927-06-01), Dandridge
patent: 4249345 (1981-02-01), Littleton
Amins Philip D.
Kannan Philip C.
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