3505488

Information

• Patent Grant
• 3505488

• References
• Source

• Patent Number

  3,505,488

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • H01H33/86 - the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
  • H01H33/18 - using blow-out magnet

• US Classifications

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