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2470553
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Information
Patent Grant
2470553
References
Source
Patent Number
2,470,553
Date Filed
Not available
Date Issued
Tuesday, May 17, 1949
75 years ago
CPC
H01H33/555 - Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement
H01H35/18 - Switches operated by change of liquid level or of liquid density
H01H35/40 - actuated by devices allowing continual flow of fluid
US Classifications
200 - Electricity: circuit makers and breakers
174 - Electricity: conductors and insulators
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