3504142

Information

• Patent Grant
• 3504142

• References
• Source

• Patent Number

  3,504,142

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  54 years ago

• CPC

  • H01H31/30 - actuated through the movement of one or more insulators
  • H01H1/54 - by magnetic force
  • H01H9/48 - Means for preventing discharge to non-current-carrying parts
  • H01H31/003 - Earthing switches
  • H01H31/04 - Interlocking mechanisms

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 174 - Electricity: conductors and insulators