3813579

Information

• Patent Grant
• 3813579

• References
• Source

• Patent Number

  3,813,579

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • H01R13/7135 - with ground fault protector
  • H01H71/505 - Latching devices between operating and release mechanism
  • H01H83/04 - with testing means for indicating the ability of the switch or relay to function properly
  • H02H3/33 - using summation current transformers
  • H01H71/501 - Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
  • H01H2071/506 - using balls or rollers in the latching device
  • H01H2083/045 - Auxiliary switch opening testing circuit in synchronism with the main circuit
  • Y10S200/42 - Contact welding considerations

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets