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3345778
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Information
Patent Grant
3345778
References
Source
Patent Number
3,345,778
Date Filed
Not available
Date Issued
Tuesday, October 10, 1967
57 years ago
CPC
E06B3/2605 - with frames permanently mounted behind or within each other, each provided with a pane or screen
E06B3/44 - Vertically-sliding wings
E06B2003/2615 - Frames made of metal
E06B2003/4453 - Metal
E06B2003/4492 - provided with screens
US Classifications
049 - Movable or removable closures
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