1952997

Information

• Patent Grant
• 1952997

• References
• Source

• Patent Number

  1,952,997

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1934
  90 years ago

• CPC

  • H01H71/38 - wherein the magnet coil also acts as arc blow-out device

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 218 - High-voltage switches with arc preventing or extinguishing devices