2448256

Information

• Patent Grant
• 2448256

• References
• Source

• Patent Number

  2,448,256

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1948
  76 years ago

• CPC

  • H02P25/325 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

• US Classifications

  • 318 - Electricity: motive power systems
  • 315 - Electric lamp and discharge devices: systems