3117214

Information

• Patent Grant
• 3117214

• References
• Source

• Patent Number

  3,117,214

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1964
  61 years ago

• CPC

  • B23K11/0876 - Lap welding
  • B21D5/143 - making use of a mandrel

• US Classifications

  • 219 - Electric heating