3839617

Information

• Patent Grant
• 3839617

• References
• Source

• Patent Number

  3,839,617

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • B21L3/02 - Machines or devices for welding chain links
  • B23K11/04 - Flash butt welding

• US Classifications

  • 219 - Electric heating