2719887

Information

• Patent Grant
• 2719887

• References
• Source

• Patent Number

  2,719,887

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1955
  69 years ago

• CPC

  • G04C21/22 - put into action by the arbor of a mechanical alarm work

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets