1648902

Information

• Patent Grant
• 1648902

• References
• Source

• Patent Number

  1,648,902

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1927
  97 years ago

• CPC

  • G04B25/005 - in alarm clocks
  • Y10T74/118 - Winding knob trip [e.g., alarm mechanism]

• US Classifications

  • 074 - Machine element or mechanism
  • 126 - Stoves and furnaces
  • 248 - Supports
  • 968 - Horology