1139474

Information

• Patent Grant
• 1139474

• References
• Source

• Patent Number

  1,139,474

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1915
  109 years ago

• CPC

  • G04B19/24366 - driven or released stepwise by the clockwork movement

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology