1811301

Information

• Patent Grant
• 1811301

• References
• Source

• Patent Number

  1,811,301

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1931
  93 years ago

• CPC

  • H05B31/305 - Ignition devices

• US Classifications

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