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3770302
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Information
Patent Grant
3770302
References
Source
Patent Number
3,770,302
Date Filed
Not available
Date Issued
Tuesday, November 6, 1973
50 years ago
CPC
F16L13/02 - Welded joints
B23K35/0255 - for use in welding
B23K35/0277 - of non-circular cross-section
Y10T428/12382 - Defined configuration of both thickness and nonthickness surface or angle therebetween [e.g., rounded corners, etc.]
Y10T428/12403 - Longitudinally smooth and symmetrical
US Classifications
285 - Pipe joints or couplings
219 - Electric heating
428 - Stock material or miscellaneous articles
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