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236532
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Information
Patent Grant
236532
References
Source
Patent Number
236,532
Date Filed
Not available
Date Issued
Tuesday, January 11, 1881
144 years ago
CPC
E06B3/7009 - Door leaves with two similar parts placed one above the other, pivoting separately
US Classifications
160 - Flexible or portable closure, partition, or panel
049 - Movable or removable closures
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