3699413

Information

• Patent Grant
• 3699413

• References
• Source

• Patent Number

  3,699,413

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • H02P8/165 - using two level supply voltage
  • H01F7/1816 - making use of an energy accumulator

• US Classifications

  • 318 - Electricity: motive power systems
  • 307 - Electrical transmission or interconnection systems