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3355874
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Information
Patent Grant
3355874
References
Source
Patent Number
3,355,874
Date Filed
Not available
Date Issued
Tuesday, December 5, 1967
57 years ago
CPC
G04B37/084 - Complete encasings for wrist or pocket watches without means for hermetic sealing of winding stem or crown
G04B37/085 - without special hermetic sealing pieces
G04B37/11 - of the back cover of pocket or wrist watches
G04B39/025 - without special sealing parts
US Classifications
368 - Horology: time measuring systems or devices
351 - Optics: eye examining, vision testing and correcting
359 - Optical: systems and elements
968 - Horology
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