3784771

Information

• Patent Grant
• 3784771

• References
• Source

• Patent Number

  3,784,771

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1974
  51 years ago

• CPC

  • H01H9/168 - making use of an electromagnetic wave communication
  • H01H31/32 - with rectilinearly-movable contact
  • H01H33/64 - wherein the break is in gas
  • H02B13/075 - Earthing arrangements
  • H01H33/302 - for fluid insulated switchgear, wherein the insulating fluid is also the working fluid

• US Classifications

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