1817955

Information

• Patent Grant
• 1817955

• References
• Source

• Patent Number

  1,817,955

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

  • H05B31/0012 - with a plurality of electrode pairs

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes