161813

Information

• Patent Grant
• 161813

• References
• Source

• Patent Number

  161,813

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1875
  149 years ago

• CPC

  • G04B19/24326 - driven or released stepwise by the clockwork movement

• US Classifications

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