2438544

Information

• Patent Grant
• 2438544

• References
• Source

• Patent Number

  2,438,544

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1948
  76 years ago

• CPC

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

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical
  • 968 - Horology