2787749

Information

• Patent Grant
• 2787749

• References
• Source

• Patent Number

  2,787,749

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1957
  68 years ago

• CPC

  • H02P7/066 - using a periodic interrupter

• US Classifications

  • 318 - Electricity: motive power systems
  • 200 - Electricity: circuit makers and breakers