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161557
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Information
Patent Grant
161557
References
Source
Patent Number
161,557
Date Filed
Not available
Date Issued
Tuesday, March 30, 1875
149 years ago
CPC
B23D65/02 - Making saw teeth by punching, cutting, or planing
Y10T409/40665 - Imparting rectilinear motion to cutter
US Classifications
076 - Metal tools and implements, making
409 - Gear cutting, milling, or planing
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