39183

Information

• Patent Grant
• 39183

• References
• Source

• Patent Number

  39,183

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1863
  161 years ago

• CPC

  • G04B45/046 - the driving mechanism of the hands being invisible because of special shielding
  • G04B19/02 - Back-gearing arrangements between gear train and hands

• US Classifications

  • 368 - Horology: time measuring systems or devices