3452172

Information

• Patent Grant
• 3452172

• References
• Source

• Patent Number

  3,452,172

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1969
  55 years ago

• CPC

  • H01H33/77 - wherein the break is in air at atmospheric pressure
  • H01H33/121 - Load break switches
  • H01H33/16 - Impedances connected with contacts
  • H01H71/43 - Electrodynamic release mechanisms

• US Classifications

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