3618817

Information

• Patent Grant
• 3618817

• References
• Source

• Patent Number

  3,618,817

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • B23K11/063 - Lap welding
  • B21D51/28 - Folding the longitudinal seam
  • B23K33/00 - Specially-profiled edge portions of workpieces for making soldering or welding connections Filling the seams formed thereby
  • B65D25/14 - Linings or internal coatings
  • B23K2201/12 - Vessels

• US Classifications

  • 220 - Receptacles
  • 219 - Electric heating
  • 413 - Sheet metal container making