2677739

Information

• Patent Grant
• 2677739

• References
• Source

• Patent Number

  2,677,739

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1954
  70 years ago

• CPC

  • H01H33/008 - Pedestal mounted switch gear combinations
  • H01H3/40 - using friction, toothed, or screw-and-nut gearing
  • H01H33/125 - comprising a separate circuit breaker
  • H01H33/14 - Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc

• US Classifications

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