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2221856
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Information
Patent Grant
2221856
References
Source
Patent Number
2,221,856
Date Filed
Not available
Date Issued
Tuesday, November 19, 1940
83 years ago
CPC
G05D16/0625 - acting indirectly on the obturator
F04B49/03 - by means of valves
Y10T74/18896 - Snap action
US Classifications
200 - Electricity: circuit makers and breakers
074 - Machine element or mechanism
092 - Expansible chamber devices
114 - Ships
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