1981-03-26
1983-06-28
Wintercorn, Richard A.
350267, 350312, G02B 524
Patent
active
043902405
ABSTRACT:
A window mirror is disclosed as comprising a frame, at least two transparent panes, and means for holding the panes in a juxtaposed position such that a liquid-tight cavity is defined therebetween. A quantity of mercury is inserted from a reservoir below the cavity, creating a mirror, and removed, leaving a window, from this cavity. In an alternative embodiment the transparent panes have certain portions held in juxtaposed position, while other portions are held in a releasably contacting position, such that when the liquid is inserted between the panes, the panes separate allowing the liquid to fill therebetween.
REFERENCES:
patent: 893755 (1908-07-01), Saegmuller
patent: 2373214 (1945-04-01), Wolkenhaver
patent: 2433456 (1947-12-01), Jansen
patent: 2441831 (1948-05-01), Moore
patent: 3001300 (1961-09-01), Green
patent: 3424515 (1969-01-01), Risk
patent: 3935351 (1976-01-01), Franz
patent: 3981294 (1976-09-01), Deminet
patent: 4093352 (1978-06-01), Pisar
patent: 4236360 (1980-12-01), Parrier et al.
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