3218423

Information

• Patent Grant
• 3218423

• References
• Source

• Patent Number

  3,218,423

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  59 years ago

• CPC

  • H01H33/77 - wherein the break is in air at atmospheric pressure
  • H01H33/02 - Details
  • H01H33/022 - particular to three-phase circuit breakers
  • H01H33/025 - Terminal arrangements
  • H01H33/73 - wherein the break is in air at atmospheric pressure
  • H02B11/12 - with isolation by horizontal withdrawal
  • H02B13/02 - with metal casing

• US Classifications

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