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321035
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Patent Grant
321035
References
Source
Patent Number
321,035
Date Filed
Not available
Date Issued
Tuesday, June 30, 1885
139 years ago
CPC
E06B3/4609 - for windows
Y10T16/73 - Sash weights
US Classifications
049 - Movable or removable closures
016 - Miscellaneous hardware
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