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1180780
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Information
Patent Grant
1180780
References
Source
Patent Number
1,180,780
Date Filed
Not available
Date Issued
Tuesday, April 25, 1916
108 years ago
CPC
G04B23/06 - adjustable for several preselected times with automatic stopping of the signal
US Classifications
368 - Horology: time measuring systems or devices
200 - Electricity: circuit makers and breakers
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