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1741988
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Information
Patent Grant
1741988
References
Source
Patent Number
1,741,988
Date Filed
Not available
Date Issued
Tuesday, December 31, 1929
94 years ago
CPC
E05F15/49 - specially adapted for mechanisms operated by fluid pressure
E05F15/50 - using fluid-pressure actuators
E05Y2900/51 - for railway cars or mass transit vehicles
US Classifications
091 - Motors: expansible chamber type
049 - Movable or removable closures
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