1954884

Information

• Patent Grant
• 1954884

• References
• Source

• Patent Number

  1,954,884

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1934
  90 years ago

• CPC

  • H02P25/182 - whereby the speed is regulated by using centrifucal devices
  • Y10S388/926 - Which controls a vacuum tube or solid-state device in motor circuit

• US Classifications

  • 388 - Electricity: motor control systems
  • 318 - Electricity: motive power systems