2447949

Information

• Patent Grant
• 2447949

• References
• Source

• Patent Number

  2,447,949

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1948
  75 years ago

• CPC

  • H01H33/7092 - characterised by several arcing chambers in series

• US Classifications

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