321526

Information

• Patent Grant
• 321526

• References
• Source

• Patent Number

  321,526

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1885
  139 years ago

• CPC

  • G04B3/008 - Winding up several mainsprings or driving weights simultaneously
  • Y10T74/20756 - Collapsible

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 074 - Machine element or mechanism
  • 968 - Horology