2022509

Information

• Patent Grant
• 2022509

• References
• Source

• Patent Number

  2,022,509

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1935
  89 years ago

• CPC

  • H01J13/16 - Anodes Auxiliary anodes for maintaining the discharge
  • H01J13/22 - Screens
  • H01J2893/009 - Anode systems Screens

• US Classifications

  • 313 - Electric lamp and discharge devices