2339662

Information

• Patent Grant
• 2339662

• References
• Source

• Patent Number

  2,339,662

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1944
  80 years ago

• CPC

  • H01J31/30 - having regulation of screen potential at anode potential

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems