2861140

Information

• Patent Grant
• 2861140

• References
• Source

• Patent Number

  2,861,140

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1958
  66 years ago

• CPC

  • H02P9/18 - the switching being caused by a servomotor, measuring instrument, or relay

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 324 - Electricity: measuring and testing
  • 346 - Recorders