Window insulating apparatus

Details Window insulating apparatus Window insulating apparatus

1976-12-06

1978-04-11

Kannan, Philip C.

Movable or removable closures

Mounted for movement to facially stacked position

49 63, 49458, E05D 1526

Patent

active

040831485

ABSTRACT:
Window insulating apparatus consisting of a plurality of low thermal conductivity panels slideably carried in a conventional window frame.

REFERENCES:
patent: 1086319 (1914-02-01), Forsyth
patent: 1751358 (1930-03-01), Rice et al.
patent: 2108000 (1938-02-01), Holt et al.
patent: 2566433 (1951-09-01), Thurman
patent: 2895182 (1959-07-01), Evans
patent: 2908051 (1959-10-01), Sparkes
patent: 3065507 (1962-11-01), Cloutier et al.
patent: 3324597 (1967-06-01), Rich

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