2223165

Information

• Patent Grant
• 2223165

• References
• Source

• Patent Number

  2,223,165

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • H02M1/045 - for multiphase systems
  • H02M5/005 - using discharge tubes

• US Classifications

  • 388 - Electricity: motor control systems
  • 318 - Electricity: motive power systems
  • 363 - Electric power conversion systems