3581488

Information

• Patent Grant
• 3581488

• References
• Source

• Patent Number

  3,581,488

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • G04B19/2432 - Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
  • G04B19/24 - Clocks or watches with date or week-day indicators

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 040 - Card, picture, or sign exhibiting
  • 968 - Horology