1447496

Information

• Patent Grant
• 1447496

• References
• Source

• Patent Number

  1,447,496

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1923
  101 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
  • 236 - Automatic temperature and humidity regulation
  • 968 - Horology