Title: Window construction

Abstract: A window construction containing two or more panes of glass with an enclosed air space therebetween and means for mounting the panes to effect a seal therebetween despite differential expansion or contraction due to temperature and barometric pressure changes. Gas directing means are provided for effecting an efficient flushing of the enclosed space between the panes of glass. Pressure equalizing means are provided for equalizing the internal gas pressure within the enclosed space with the atmosphere.

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Inventors: Day, Ralph K. (Maumee, OH, US)

Application Number: 361989
Filing Date: 1973-05-21
Publication_date: 1976-01-20
Assignee:
Primary Class(es): 52/171.3
Other Classes:
US Patent Ref:

1852661	Apr, 1932	Larkin	52/171.
1856008	Apr, 1932	Warren	52/398.
1913205	Jun, 1933	Lenhart	52/172.
1956628	May, 1934	Rutishauser	52/616.
2015808	Oct, 1935	Miller	52/1.
2057730	Oct, 1936	Moderau	52/397.
2083622	Jun, 1937	Summers	52/304.
2168216	Aug, 1939	Kennedy	52/171.
2348297	May, 1944	Huddle	52/398.
2354341	Jul, 1944	Verhagen	52/399.
2565937	Aug, 1951	Verhagen	52/304.
2667951	Feb, 1954	Gall	52/399.
2756467	Jul, 1956	Etling	52/304.
2918708	Dec, 1959	Sharp	52/397.
3128509	Apr, 1964	Stotz	52/656.
3212179	Oct, 1965	Koblensky	52/398.

Other Refs: 900,766

Jul, 1962	UK

Primary Examiner: Murtagh, John E.
Assistant Examiner:
Attorney: Wilson; David H.