Window construction

Details Window construction Window construction

1974-08-27

1976-03-23

Kannan, Philip C.

Movable or removable closures

Closures interconnected for concurrent movement

Opposed similar movement

49430, 49446, E05F 1700

Patent

active

039451496

ABSTRACT:
A double window construction having inner and outer windows mounted within a frame. Each window has an upper and lower glass pane. Each pane is mounted for vertical movement in its own vertical guide channels within the frame. The panes are joined by flexible means in a counter-balanced manner. Means are attached to each glass pane for detachably connecting the panes to the flexible means.

REFERENCES:
patent: 2941237 (1960-06-01), Reese
patent: 3065507 (1962-11-01), Cloutier et al.
patent: 3499248 (1970-03-01), Baer
patent: 3600854 (1971-08-01), Dallaire et al.

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