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3457429
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Information
Patent Grant
3457429
References
Source
Patent Number
3,457,429
Date Filed
Not available
Date Issued
Tuesday, July 22, 1969
54 years ago
CPC
H01H43/308 - based on the change of electrical properties
G04F5/00 - Apparatus for producing preselected time intervals for use as timing standards
G04G3/02 - Circuits for deriving low frequency timing pulses from pulses of higher frequency
H03K23/001 - using elements not covered by groups H03K23/002 and H03K23/74 - H03K23/84
Y10T307/484 - Sequential or alternating
Y10T307/773 - Light, heat, vibratory or radiant energy
Y10T307/951 - With time delay or retardation means
US Classifications
307 - Electrical transmission or interconnection systems
315 - Electric lamp and discharge devices: systems
968 - Horology
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