2503405

Information

• Patent Grant
• 2503405

• References
• Source

• Patent Number

  2,503,405

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1950
  74 years ago

• CPC

  • H02H3/18 - responsive to reversal of direct current
  • H02H7/1209 - for converters using only discharge tubes

• US Classifications

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