2828392

Information

• Patent Grant
• 2828392

• References
• Source

• Patent Number

  2,828,392

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1958
  66 years ago

• CPC

  • H01H33/34 - hydraulic
  • H01H33/121 - Load break switches
  • H01H9/0066 - Auxiliary contact devices
  • H01H33/008 - Pedestal mounted switch gear combinations
  • H01H33/14 - Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
  • H01H2033/306 - monitoring the pressure of the working fluid

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 361 - Electricity: electrical systems and devices