1573508

Information

• Patent Grant
• 1573508

• References
• Source

• Patent Number

  1,573,508

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1926
  99 years ago

• CPC

  • H02P7/2825 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

• US Classifications

  • 388 - Electricity: motor control systems