3433913

Information

• Patent Grant
• 3433913

• References
• Source

• Patent Number

  3,433,913

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1969
  55 years ago

• CPC

  • H01H33/167 - the impedance being inserted only while opening the switch
  • H01H33/12 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H33/70 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
  • H01H33/82 - the fluid being air or gas

• US Classifications

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