3639161

Information

• Patent Grant
• 3639161

• References
• Source

• Patent Number

  3,639,161

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  53 years ago

• CPC

  • B23K35/222 - Non-consumable electrodes
  • B23K9/14 - making use of insulated electrodes

• US Classifications

  • 427 - Coating processes
  • 148 - Metal treatment
  • 219 - Electric heating