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3691897
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Information
Patent Grant
3691897
References
Source
Patent Number
3,691,897
Date Filed
Not available
Date Issued
Tuesday, September 19, 1972
51 years ago
CPC
F16B31/024 - with the bottom of the nut or of the head of the bolt having gaps which close as the bolt tension increases
F16B37/02 - made of thin sheet material
Y10S411/959 - Bolt- or nut-carried
US Classifications
411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
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