2161427

Information

• Patent Grant
• 2161427

• References
• Source

• Patent Number

  2,161,427

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1939
  85 years ago

• CPC

  • H01H85/40 - using an arc-extinguishing liquid

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 200 - Electricity: circuit makers and breakers
  • 218 - High-voltage switches with arc preventing or extinguishing devices