629603

Information

• Patent Grant
• 629603

• References
• Source

• Patent Number

  629,603

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1899
  125 years ago

• CPC

  • H05B31/0006 - with superimposed electrodes

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes