305889

Information

• Patent Grant
• 305889

• References
• Source

• Patent Number

  305,889

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1884
  140 years ago

• CPC

  • G04B19/23 - by means of additional hands or additional pairs of hands
  • G04B19/02 - Back-gearing arrangements between gear train and hands
  • G04B37/0083 - for more than one clockwork
  • Y10T74/19688 - Bevel

• US Classifications

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