3728505

Information

• Patent Grant
• 3728505

• References
• Source

• Patent Number

  3,728,505

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • H01C7/18 - comprising a plurality of layers stacked between terminals
  • H01H33/164 - the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
  • H01H33/18 - using blow-out magnet
  • H01H33/596 - for interrupting dc

• US Classifications

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