2293320

Information

• Patent Grant
• 2293320

• References
• Source

• Patent Number

  2,293,320

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1942
  82 years ago

• CPC

  • H01H33/164 - the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
  • H01H33/16 - Impedances connected with contacts

• US Classifications

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