3727109

Information

• Patent Grant
• 3727109

• References
• Source

• Patent Number

  3,727,109

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  51 years ago

• CPC

  • H02B11/28 - Earthing arrangements

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 218 - High-voltage switches with arc preventing or extinguishing devices