1808164

Information

• Patent Grant
• 1808164

• References
• Source

• Patent Number

  1,808,164

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1931
  93 years ago

• CPC

  • H05B31/0033 - with glowrod and candle

• US Classifications

  • 362 - Illumination
  • 314 - Electric lamp and discharge devices: consumable electrodes