Window with ventilating capability

Details Window with ventilating capability Window with ventilating capability

1975-11-12

1977-04-26

Kannan, Philip C.

Flexible or portable closure, partition, or panel

Framed type

E06B 500

Patent

active

040195554

ABSTRACT:
A window with a ventilating capability that does not decrease the insulating effect includes a window sash on which there are disposed at regular spaced intervals a plurality of screens between which are formed insulating air layers.

REFERENCES:
patent: 2337326 (1943-12-01), Hardy
patent: 2837153 (1958-06-01), Brown et al.
patent: 3143165 (1964-08-01), Lewis et al.
patent: 3292349 (1966-12-01), Cuta
patent: 3553942 (1971-01-01), Harrington et al.

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