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2391792
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Information
Patent Grant
2391792
References
Source
Patent Number
2,391,792
Date Filed
Not available
Date Issued
Tuesday, December 25, 1945
78 years ago
CPC
E04F13/0837 - extending completely through the covering elements
F16B25/0005 - of the helical wire type
F16B25/0026 - the material being a hard non-organic material
US Classifications
052 - Static structures
411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
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