3838563

Information

• Patent Grant
• 3838563

• References
• Source

• Patent Number

  3,838,563

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • G04B23/08 - operating on successive days without resetting operating only once in each 24 hours
  • G04B23/12 - Alarm watches to be worn in pockets or on the wrist

• US Classifications

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