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2247618
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Information
Patent Grant
2247618
References
Source
Patent Number
2,247,618
Date Filed
Not available
Date Issued
Tuesday, July 1, 1941
83 years ago
CPC
E05F7/04 - Arrangements affording protection against rattling
E05F2700/04 - Devices for blocking sliding windows in general
Y10T16/54021 - having spring force adjustment
Y10T292/0879 - Roller
Y10T292/0885 - Roller
Y10T292/25 - Cylinder
US Classifications
049 - Movable or removable closures
016 - Miscellaneous hardware
292 - Closure fasteners
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