Ventilating entry-proof window

Details Ventilating entry-proof window Ventilating entry-proof window

1977-08-24

1982-05-18

Kannan, Philip C.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Diverse types

49 63, E06B 332

Patent

active

043300200

ABSTRACT:
A ventilating, entry- and rainproof window which includes a fixed thermalpane window between a pair of louvers mounted to a common frame and a pair of thermalpane windows slidably mounted behind the louvers and the fixed window so that the louvers can be opened and closed for ventilation while at the same time barring access.

REFERENCES:
patent: 1344529 (1920-06-01), White
patent: 2305445 (1942-12-01), Poor et al.
patent: 2355803 (1944-08-01), Hopewell
patent: 2777176 (1957-01-01), Packard
patent: 2818919 (1958-01-01), Sylvan

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