1314081

Information

• Patent Grant
• 1314081

• References
• Source

• Patent Number

  1,314,081

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1919
  105 years ago

• CPC

  • H02P5/56 - Speed and position comparison between the motors by electrical means
  • Y10T307/812 - Differential speed between two bodies

• US Classifications

  • 318 - Electricity: motive power systems
  • 073 - Measuring and testing
  • 307 - Electrical transmission or interconnection systems
  • 352 - Optics: motion pictures