3569641

Information

• Patent Grant
• 3569641

• References
• Source

• Patent Number

  3,569,641

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1971
  54 years ago

• CPC

  • H01H3/40 - using friction, toothed, or screw-and-nut gearing
  • H01H9/16 - Indicators for switching condition
  • H01H31/24 - with rectilinearly-movable bridging contact
  • H01H33/46 - Interlocking mechanisms
  • H02B13/035 - Gas-insulated switchgear
  • H02B13/075 - Earthing arrangements
  • H01H31/003 - Earthing switches
  • H01H2003/405 - using a walking nut
  • H01H2009/0292 - Transparent window or opening

• US Classifications

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