1947230

Information

• Patent Grant
• 1947230

• References
• Source

• Patent Number

  1,947,230

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1934
  90 years ago

• CPC

  • H01H33/7046 - having special gas flow directing elements

• US Classifications

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