255466

Information

• Patent Grant
• 255466

• References
• Source

• Patent Number

  255,466

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1882
  143 years ago

• CPC

  • H05B31/0066 - Saving arrangements; Ventilation devices

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 313 - Electric lamp and discharge devices