1305961

Information

• Patent Grant
• 1305961

• References
• Source

• Patent Number

  1,305,961

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1919
  105 years ago

• CPC

  • H02P7/063 - using centrifugal devices
  • Y10S388/927 - Which varies resistance of motor circuit
  • Y10T307/484 - Sequential or alternating
  • Y10T307/793 - Speed, centrifugal or kinetic force

• US Classifications

  • 388 - Electricity: motor control systems
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems
  • 310 - Electrical generator or motor structure
  • 338 - Electrical resistors