3377447

Information

• Patent Grant
• 3377447

• References
• Source

• Patent Number

  3,377,447

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1968
  56 years ago

• CPC

  • H01H33/77 - wherein the break is in air at atmospheric pressure
  • H01H31/125 - with a pivotally supported fuse, hanging on a fixed contact in the open position of the switch
  • H01H31/28 - with angularly-movable contact
  • H01H33/127 - movable with a sectionalising contact arm and operated by such movement

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 218 - High-voltage switches with arc preventing or extinguishing devices