Bendable multiple window

Details Bendable multiple window Bendable multiple window

1987-07-30

1989-07-25

Gibson, Jr., Robert W.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160 90, E05D 1526

Patent

active

048504173

ABSTRACT:
An upper window and a lower window are bendably connected together within a window attaching framework of a building. The upper end of the upper frame is disconnectable from the lateral frames of the window attaching framework. When the upper window is disconnected from the lateral frames, the window openings increase. Thus, the window openings are suitable for use as emergency escape openings and improve ventilation efficiency.

REFERENCES:
patent: 1757048 (1930-05-01), Janeczko
patent: 1813474 (1931-07-01), Ward
patent: 2155116 (1939-04-01), Cox
patent: 2330696 (1943-09-01), Exiner
patent: 2408739 (1946-10-01), Dawes
patent: 2771133 (1956-11-01), Haskell
patent: 2877840 (1959-03-01), Hurowitz et al.
patent: 2879841 (1959-03-01), Etten
patent: 3221803 (1965-12-01), Lambert
patent: 4141403 (1979-02-01), Church
patent: 4443035 (1984-04-01), Saemann

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