2689888

Information

• Patent Grant
• 2689888

• References
• Source

• Patent Number

  2,689,888

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1954
  70 years ago

• CPC

  • H01H33/008 - Pedestal mounted switch gear combinations
  • H02B5/00 - Non-enclosed substations Substations with enclosed and non-enclosed equipment
  • H02B5/02 - mounted on pole
  • H01H33/128 - being operated by a separate mechanism interlocked with the sectionalising mechanism
  • H01H33/14 - Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
  • H01H33/302 - for fluid insulated switchgear, wherein the insulating fluid is also the working fluid
  • H01H2033/028 - the cooperating contacts being both actuated simultaneously in opposite directions

• US Classifications

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