1816168

Information

• Patent Grant
• 1816168

• References
• Source

• Patent Number

  1,816,168

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1931
  94 years ago

• CPC

  • H01J17/04 - Electrodes Screens
  • H01J2893/0055 - Movable screens

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 315 - Electric lamp and discharge devices: systems
  • 361 - Electricity: electrical systems and devices