550600

Information

• Patent Grant
• 550600

• References
• Source

• Patent Number

  550,600

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1895
  129 years ago

• CPC

  • H05B31/0006 - with superimposed electrodes

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes