3222477

Information

• Patent Grant
• 3222477

• References
• Source

• Patent Number

  3,222,477

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • H01H31/127 - Drop-out fuses
  • H01H3/30 - using spring motor
  • H01H3/46 - using rod or lever linkage
  • H01H31/30 - actuated through the movement of one or more insulators
  • H01H33/128 - being operated by a separate mechanism interlocked with the sectionalising mechanism
  • H01H33/76 - wherein arc-extinguishing gas is evolved from stationary parts Selection of material therefor

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 200 - Electricity: circuit makers and breakers