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2988870
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Information
Patent Grant
2988870
References
Source
Patent Number
2,988,870
Date Filed
Not available
Date Issued
Tuesday, June 20, 1961
63 years ago
CPC
G04B45/0046 - with oscillating motion, in pocket- or wrist watches
US Classifications
368 - Horology: time measuring systems or devices
063 - Jewelry
446 - Amusement devices: toys
968 - Horology
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