3093717

Information

• Patent Grant
• 3093717

• References
• Source

• Patent Number

  3,093,717

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1963
  61 years ago

• CPC

  • H01H33/16 - Impedances connected with contacts
  • H01H33/302 - for fluid insulated switchgear, wherein the insulating fluid is also the working fluid
  • H01H33/82 - the fluid being air or gas
  • H01H33/83 - wherein the contacts are opened by the flow of air or gas
  • H01H33/86 - the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices