3770302

Information

• Patent Grant
• 3770302

• References
• Source

• Patent Number

  3,770,302

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  52 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