2204805

Information

• Patent Grant
• 2204805

• References
• Source

• Patent Number

  2,204,805

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1940
  84 years ago

• CPC

  • H02M7/006 - using discharge tubes
  • H02M1/0061 - using discharge tubes
  • H02M7/06 - using discharge tubes without control electrode or semiconductor devices without control electrode

• US Classifications

  • 363 - Electric power conversion systems
  • 315 - Electric lamp and discharge devices: systems