1673936

Information

• Patent Grant
• 1673936

• References
• Source

• Patent Number

  1,673,936

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1928
  96 years ago

• CPC

  • G04B1/20 - Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel

• US Classifications

  • 185 - Motors: spring, weight, or animal powered
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology