3457531

Information

• Patent Grant
• 3457531

• References
• Source

• Patent Number

  3,457,531

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • H01H3/3031 - Means for locking the spring in a charged state
  • H01H71/1054 - Means for avoiding unauthorised release
  • H01H2071/1063 - making use of an equilibrating mass

• US Classifications

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