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3891144
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Information
Patent Grant
3891144
References
Source
Patent Number
3,891,144
Date Filed
Not available
Date Issued
Tuesday, June 24, 1975
49 years ago
CPC
H05B1/0225 - actuated by timers
G04C23/12 - Electric circuitry
G05D23/1904 - variable in time
G05D23/275 - with sensing element expanding, contracting, or fusing in response to changes of temperature
H01H29/22 - wherein contact is made and broken between liquid and solid
US Classifications
236 - Automatic temperature and humidity regulation
337 - Electricity: electrothermally or thermally actuated switches
968 - Horology
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