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1427917
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Information
Patent Grant
1427917
References
Source
Patent Number
1,427,917
Date Filed
Not available
Date Issued
Tuesday, September 5, 1922
101 years ago
CPC
E05F17/00 - Special devices for shifting a plurality of wings operated simultaneously
Y10S292/04 - Automatic release latches
Y10T292/76 - Blind-slat holders
US Classifications
049 - Movable or removable closures
292 - Closure fasteners
454 - Ventilation
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