276566

Information

• Patent Grant
• 276566

• References
• Source

• Patent Number

  276,566

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1883
  142 years ago

• CPC

  • F21L14/00 - Electric lighting devices without a self-contained power source
  • H05B31/00 - Electric arc lamps
  • H05B31/006 - Electromagnets or armatures; Arc blowing electromagnets

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets