248187

Information

• Patent Grant
• 248187

• References
• Source

• Patent Number

  248,187

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1881
  143 years ago

• CPC

  • H05B31/22 - Electromagnetic arrangements for feeding electrodes
  • F21L14/00 - Electric lighting devices without a self-contained power source
  • G05F1/02 - Regulating electric characteristics of arcs
  • H05B31/00 - Electric arc lamps

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes