2209819

Information

• Patent Grant
• 2209819

• References
• Source

• Patent Number

  2,209,819

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1940
  84 years ago

• CPC

  • H02M7/51 - using discharge tubes only
  • H01J13/16 - Anodes Auxiliary anodes for maintaining the discharge
  • H01J17/44 - having one or more control electrodes
  • H01J2893/0094 - Electrode arrangements Auxiliary electrodes

• US Classifications

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