3581177

Information

• Patent Grant
• 3581177

• References
• Source

• Patent Number

  3,581,177

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • H02P7/066 - using a periodic interrupter

• US Classifications

  • 388 - Electricity: motor control systems
  • 200 - Electricity: circuit makers and breakers