Radiation controlling reversible window

Details Radiation controlling reversible window Radiation controlling reversible window

1979-08-02

1981-04-28

Perham, Alfred C.

Static structures (e.g., buildings)

Window or window sash, sill, mullion, or glazing

Decorative grill attached to sash

49 63, 49450, 49465, 52171, 52202, E06B 324, E05B 6504

Patent

active

042637600

ABSTRACT:
A window frame is presented which incorporates retention and locking means adapted to permit reversible installation in window frames.

REFERENCES:
patent: 2761498 (1956-09-01), Reinhardt
patent: 3122797 (1964-03-01), Segre
patent: 4081934 (1978-04-01), Franz
patent: 4180954 (1980-01-01), Gell, Jr.

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