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3898404
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Information
Patent Grant
3898404
References
Source
Patent Number
3,898,404
Date Filed
Not available
Date Issued
Tuesday, August 5, 1975
49 years ago
CPC
H01F27/402 - Association of measuring or protective means
G01L19/12 - Alarms or signals
H01H33/555 - Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement
H01F2027/404 - Protective devices specially adapted for fluid filled transformers
H01F2027/406 - Temperature sensor or protection
H01H35/30 - Means for transmitting pressure to pressure-responsive operating part
US Classifications
200 - Electricity: circuit makers and breakers
251 - Valves and valve actuation
340 - Communications: electrical
361 - Electricity: electrical systems and devices
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