3757508

Information

• Patent Grant
• 3757508

• References
• Source

• Patent Number

  3,757,508

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • G04B45/02 - Time pieces of which the clockwork is visible partly or wholly
  • G04B19/02 - Back-gearing arrangements between gear train and hands

• US Classifications

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