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2808608
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Information
Patent Grant
2808608
References
Source
Patent Number
2,808,608
Date Filed
Not available
Date Issued
Tuesday, October 8, 1957
67 years ago
CPC
E05F3/02 - with pneumatic piston brakes
E05Y2900/132 - Doors
Y10T16/286 - Spring and lever
US Classifications
016 - Miscellaneous hardware
267 - Spring devices
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