3608300

Information

• Patent Grant
• 3608300

• References
• Source

• Patent Number

  3,608,300

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1971
  53 years ago

• CPC

  • G04B19/25386 - manually corrected at the end of months having less than 31 days
  • G04B19/2534 - driven or released continuously by the clockwork movement

• US Classifications

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