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2528904
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Information
Patent Grant
2528904
References
Source
Patent Number
2,528,904
Date Filed
Not available
Date Issued
Tuesday, November 7, 1950
73 years ago
CPC
E05F3/106 - with crank-arm transmission between driving shaft and piston within the closer housing
E05Y2201/656 - Chains
E05Y2900/132 - Doors
Y10T16/2774 - Floor pivot
Y10T16/287 - Spring and flexible link
US Classifications
016 - Miscellaneous hardware
241 - Solid material comminution or disintegration
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