Window construction

Details Window construction Window construction

1976-11-01

1977-07-12

Kannan, Philip C.

Movable or removable closures

With means mounting closure for reciprocation

With distinct biasing means for slide or guide

49432, 49434, 49454, E05D 1300

Patent

active

040345106

ABSTRACT:
A window assembly in which two window units are slidably mounted and in which one of the window units cannot be removed until the other has been removed. The removal of a first of the window units releases the sash locking member for lateral movement within the frame to permit overlapping lips of the other window unit and its associated frame to move out of overlapping engagement with one another.

REFERENCES:
patent: 3375611 (1968-04-01), Osten, Sr.
patent: 3377747 (1968-04-01), Donkin

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