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1807277
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Information
Patent Grant
1807277
References
Source
Patent Number
1,807,277
Date Filed
Not available
Date Issued
Tuesday, May 26, 1931
93 years ago
CPC
B60T13/465 - for railway vehicles
Y10T137/8667 - Reciprocating valve
Y10T137/86839 - Four port reversing valves
Y10T137/87917 - Flow path with serial valves and/or closures
US Classifications
060 - Power plants
091 - Motors: expansible chamber type
137 - Fluid handling
188 - Brakes
251 - Valves and valve actuation
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