3549841

Information

• Patent Grant
• 3549841

• References
• Source

• Patent Number

  3,549,841

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • H01H33/164 - the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
  • H01H33/44 - Devices for ensuring operation of the switch at a predetermined point in the ac cycle

• US Classifications

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