3174019

Information

• Patent Grant
• 3174019

• References
• Source

• Patent Number

  3,174,019

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1965
  59 years ago

• CPC

  • H01H33/66 - Vacuum switches
  • H01H33/167 - the impedance being inserted only while opening the switch

• US Classifications

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