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2207836
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Information
Patent Grant
2207836
References
Source
Patent Number
2,207,836
Date Filed
Not available
Date Issued
Tuesday, July 16, 1940
84 years ago
CPC
E05F1/1215 - with a canted-coil torsion spring
E05D7/12 - to allow easy detachment of the hinge from the wing or the frame
Y10T16/535 - having means to facilitate assembly and disassembly of hinge sections to join or disjoin hinged members
Y10T16/5355 - having helical spring along hinge axis
US Classifications
016 - Miscellaneous hardware
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