3308404

Information

• Patent Grant
• 3308404

• References
• Source

• Patent Number

  3,308,404

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1967
  57 years ago

• CPC

  • H01H50/22 - wherein the magnetic circuit is substantially closed
  • H01H50/32 - Latching movable parts mechanically
  • H01H50/541 - Auxiliary contact devices
  • H01H71/04 - Means for indicating condition of the switching device
  • H01H71/503 - Means for increasing the opening stroke of the contacts
  • H01H71/68 - actuated by electromagnet
  • H01H71/685 - in which the excitation of the electromagnet is interrupted by abnormal conditions

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets