3609961

Information

• Patent Grant
• 3609961

• References
• Source

• Patent Number

  3,609,961

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1971
  53 years ago

• CPC

  • G04B19/02 - Back-gearing arrangements between gear train and hands
  • G04B33/10 - with seconds hand arranged in the centre of the dial

• US Classifications

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