3867667

Information

• Patent Grant
• 3867667

• References
• Source

• Patent Number

  3,867,667

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1975
  49 years ago

• CPC

  • H05B7/085 - mainly consisting of carbon
  • H05B31/065 - for flame arc lamps
  • H05B31/14 - Metal electrodes

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes