1337037

Information

• Patent Grant
• 1337037

• References
• Source

• Patent Number

  1,337,037

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1920
  105 years ago

• CPC

  • G04B25/005 - in alarm clocks
  • Y10T74/116 - Clock train

• US Classifications

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