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3328953
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Information
Patent Grant
3328953
References
Source
Patent Number
3,328,953
Date Filed
Not available
Date Issued
Tuesday, July 4, 1967
57 years ago
CPC
G04C21/18 - by mechanically unlocking an electro-mechanical vibrator
G04B23/021 - Controls (winding up the alarm; adjusting and indicating the waking time)
G04B23/03 - Alarm signal stop arrangements
G04C21/02 - Constructional details
G04C21/28 - by closing a contact to put into action electro-acoustic means
US Classifications
368 - Horology: time measuring systems or devices
968 - Horology
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