3870853

Information

• Patent Grant
• 3870853

• References
• Source

• Patent Number

  3,870,853

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  50 years ago

• CPC

  • B23K9/0256 - for welding ribs on plates
  • B23K37/0223 - the guide member being a part of the workpiece

• US Classifications

  • 219 - Electric heating
  • 228 - Metal fusion bonding