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3586425
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Information
Patent Grant
3586425
References
Source
Patent Number
3,586,425
Date Filed
Not available
Date Issued
Tuesday, June 22, 1971
53 years ago
CPC
G02C5/2227 - comprising a fixed hinge member and a coil spring
G02C5/001 - specially adapted for particular purposes, not otherwise provided for or not fully classifiable according to technical characteristics
G02C2200/28 - Coil spring twisted upon actuation
Y10T16/526 - Eyeglass hinge
Y10T16/53888 - On pintle
US Classifications
351 - Optics: eye examining, vision testing and correcting
016 - Miscellaneous hardware
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