3218509

Information

• Patent Grant
• 3218509

• References
• Source

• Patent Number

  3,218,509

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  59 years ago

• CPC

  • H05B7/225 - by arc image

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 362 - Illumination
  • 392 - Electric resistance heating devices