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2170156
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Information
Patent Grant
2170156
References
Source
Patent Number
2,170,156
Date Filed
Not available
Date Issued
Tuesday, August 22, 1939
84 years ago
CPC
E05F3/08 - in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
E05Y2900/132 - Doors
Y10S16/09 - Hydraulic actuated checks, closers
Y10S16/17 - Checks and closers, holding means
Y10T16/2769 - Cam
Y10T16/53984 - and rolling element
US Classifications
016 - Miscellaneous hardware
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