1948669

Information

• Patent Grant
• 1948669

• References
• Source

• Patent Number

  1,948,669

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1934
  91 years ago

• CPC

  • H05B31/0093 - with a threaded rod

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 236 - Automatic temperature and humidity regulation
  • 362 - Illumination