3818392

Information

• Patent Grant
• 3818392

• References
• Source

• Patent Number

  3,818,392

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • H01H51/287 - Details of the shape of the contact springs

• US Classifications

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