2978559

Information

• Patent Grant
• 2978559

• References
• Source

• Patent Number

  2,978,559

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • H01H33/025 - Terminal arrangements
  • H01H1/5833 - comprising an articulating, sliding or rolling contact between movable contact and terminal
  • H01H33/302 - for fluid insulated switchgear, wherein the insulating fluid is also the working fluid
  • H01H33/32 - pneumatic

• US Classifications

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