3278711

Information

• Patent Grant
• 3278711

• References
• Source

• Patent Number

  3,278,711

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1966
  58 years ago

• CPC

  • H01H33/16 - Impedances connected with contacts
  • H01H33/7053 - having a bridging element around two hollow tubular contacts
  • H01H33/86 - the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve

• US Classifications

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