51556

Information

• Patent Grant
• 51556

• References
• Source

• Patent Number

  51,556

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1865
  159 years ago

• CPC

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

• US Classifications

  • 368 - Horology: time measuring systems or devices