Window operating mechanism
United States Patent 2690336
US Patent References:
/1306868.html
- - 1306868

Window-frame
- - 1391602

Sash-operating mechanism
- - 1619167

Panel frame
- - 1648584

Metal window
- - 1804787


Inventors:
Gargiulo, Belmont Joseph
Publication Date:
09/28/1954
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Assignee:
Gargiulo, Belmont Joseph
Primary Class:
49/82.100
Other Classes:
49/92.100, 52/656.600, D25/52
International Classes:
E05F17/00
US Patent References:
1960920Window construction
2252634Window sash operator
2270348Casing construction
2272722Window construction
2327246Window
2331823Ventilating window
2383912Window structure
2478044Window structure
2478061Window structure and operating mechanism therefor
2486407Awning type window
2552298Metal window sash frame
2580933Sash mounting