3814892

Information

• Patent Grant
• 3814892

• References
• Source

• Patent Number

  3,814,892

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • B21D26/12 - initiated by spark discharge
  • B23H7/22 - Electrodes specially adapted therefor or their manufacture

• US Classifications

  • 219 - Electric heating