Dual window assembly

Details Dual window assembly Dual window assembly

1979-08-17

1981-08-25

Kannan, Philip C.

Movable or removable closures

Facially opposed primary and auxiliary closure for common...

Auxiliary mounted for movement

49DIG1, E06B 700

Patent

active

042851661

ABSTRACT:
A dual window assembly comprises an interior window unit adapted to be mounted within an opening in a building wall and an exterior window unit adapted to be mounted on the exterior of the opening. First and second frames of the units have respective first and second mounting flanges which are to be secured together by means of connector strips.

REFERENCES:
patent: 2136273 (1938-11-01), Chaffee et al.
patent: 2311300 (1943-02-01), Dubour et al.
patent: 2703158 (1955-03-01), Hauck
patent: 2773571 (1956-12-01), Kelly
patent: 2970642 (1961-02-01), Parsons
patent: 3273287 (1966-09-01), Pease, Jr.
patent: 3436884 (1969-04-01), Bell et al.
patent: 3694961 (1972-10-01), Johnson
patent: 4048774 (1977-09-01), Yamamoto

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