3177419

Information

• Patent Grant
• 3177419

• References
• Source

• Patent Number

  3,177,419

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1965
  59 years ago

• CPC

  • H02H7/005 - for remote controlled apparatus; for lines connecting such apparatus
  • G05B11/016 - using inductance means
  • H02H7/08 - for dynamo-electric motors
  • H02H11/005 - in case of too low isolation resistance, too high load, short-circuit; earth fault
  • H02P27/02 - using supply voltage with constant frequency and variable amplitude
  • Y02B90/224 - the elements or equipments being or involving protection elements, switches, relays or circuit breakers
  • Y04S20/14 - The elements or equipments being or involving protection elements, switches, relays or circuit breakers

• US Classifications

  • 318 - Electricity: motive power systems