1698919

Information

• Patent Grant
• 1698919

• References
• Source

• Patent Number

  1,698,919

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1929
  96 years ago

• CPC

  • H05B31/0006 - with superimposed electrodes

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes