1531654

Information

• Patent Grant
• 1531654

• References
• Source

• Patent Number

  1,531,654

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1925
  99 years ago

• CPC

  • H02P1/34 - by progressive reduction of impedance in secondary circuit
  • Y10T307/852 - Frequency

• US Classifications

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