1650881

Information

• Patent Grant
• 1650881

• References
• Source

• Patent Number

  1,650,881

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1927
  97 years ago

• CPC

  • H05B31/0093 - with a threaded rod

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 313 - Electric lamp and discharge devices