1949687

Information

• Patent Grant
• 1949687

• References
• Source

• Patent Number

  1,949,687

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1934
  91 years ago

• CPC

  • H05B31/0084 - with stirrups or levers

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes