3769478

Information

• Patent Grant
• 3769478

• References
• Source

• Patent Number

  3,769,478

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1973
  51 years ago

• CPC

  • H01H31/20 - at least one insulator being rotatable about its own geometrical axis
  • H01H3/30 - using spring motor
  • H01H33/127 - movable with a sectionalising contact arm and operated by such movement

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 200 - Electricity: circuit makers and breakers