3672156

Information

• Patent Grant
• 3672156

• References
• Source

• Patent Number

  3,672,156

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • G04B19/25333 - wherein the date indicators are driven or released mechanically by a clockwork movement
  • G04B13/002 - where rotation in one direction is changed into a stepping movement
  • G04B19/25353 - driven or released stepwise by the clockwork movement

• US Classifications

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