3856978

Information

• Patent Grant
• 3856978

• References
• Source

• Patent Number

  3,856,978

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • H02B13/035 - Gas-insulated switchgear
  • H01B9/0672 - having the shape of a disc
  • H02G5/065 - Particle traps

• US Classifications

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