3428847

Information

• Patent Grant
• 3428847

• References
• Source

• Patent Number

  3,428,847

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  55 years ago

• CPC

  • H05B7/105 - comprising more than two jaws equally spaced along circumference

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 219 - Electric heating