1637040

Information

• Patent Grant
• 1637040

• References
• Source

• Patent Number

  1,637,040

• Date Filed

  Not available

• Date Issued

  Tuesday, July 26, 1927
  97 years ago

• CPC

  • H02K17/28 - having compensating winding for improving phase angle

• US Classifications

  • 318 - Electricity: motive power systems
  • 310 - Electrical generator or motor structure