Security window cover

Details Security window cover Security window cover

1984-03-13

1985-12-03

Kannan, Philip C.

Movable or removable closures

Facially opposed primary and auxiliary closure for common...

Auxiliary mounted for movement

49379, 49402, 49504, E05B 6504

Patent

active

045558671

ABSTRACT:
An improved security window cover having a peripheral frame structure and a security shielding door or cover hingedly attached to the frame. The frame has walls which conform to the interior building wall adjacent the window and walls which conform to the shape, contour and dimensions of the inner circumferential edge of the wall opening in which the window is installed. The inner circumferential walls of the frame have partial rigid joints joining them to one another which create a degree of flexibility for fit and installation. The shielding door preferably has a lip or ridge on the outside which is medial and parallel to the edges of the door which serves to strengthen the door, protect the frame installation means and act as a guide and support for insulation.

REFERENCES:
patent: 618145 (1899-01-01), Tremmel
patent: 2199590 (1940-05-01), Groth
patent: 2770335 (1956-11-01), Sylvan
patent: 3375627 (1968-04-01), Bursiek et al.
patent: 3537212 (1970-11-01), Gilles
patent: 3561162 (1971-02-01), Goldman
patent: 3738062 (1973-06-01), Ughi
patent: 3921334 (1975-11-01), Black, Sr.
patent: 3978614 (1976-09-01), Goldhaber
patent: 4079548 (1978-03-01), Zaccaria
patent: 4175357 (1979-11-01), Goldhaber
patent: 4258504 (1981-03-01), Hicks
patent: 4378658 (1983-04-01), De Lorean
patent: 4489517 (1984-12-01), Young

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