3740507

Information

• Patent Grant
• 3740507

• References
• Source

• Patent Number

  3,740,507

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • H01H33/66261 - Specific screen details
  • H01H33/6645 - in which the coil like electrical connections encircle at least once the contact rod
  • H01H33/6646 - having non flat disc-like contact surface

• US Classifications

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