1668413

Information

• Patent Grant
• 1668413

• References
• Source

• Patent Number

  1,668,413

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1928
  96 years ago

• CPC

  • G04B25/005 - in alarm clocks
  • G05G17/00 - Mechanical devices for moving a member after being released Trip or release mechanisms characterised thereby
  • Y10T74/118 - Winding knob trip [e.g., alarm mechanism]
  • Y10T137/86469 - Clock alarm mechanism controlled

• US Classifications

  • 074 - Machine element or mechanism
  • 137 - Fluid handling
  • 185 - Motors: spring, weight, or animal powered
  • 968 - Horology