1723871

Information

• Patent Grant
• 1723871

• References
• Source

• Patent Number

  1,723,871

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1929
  95 years ago

• CPC

  • G04C21/22 - put into action by the arbor of a mechanical alarm work
  • Y10T74/118 - Winding knob trip [e.g., alarm mechanism]

• US Classifications

  • 074 - Machine element or mechanism
  • 185 - Motors: spring, weight, or animal powered
  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology