3444685

Information

• Patent Grant
• 3444685

• References
• Source

• Patent Number

  3,444,685

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1969
  55 years ago

• CPC

  • G04B37/0041 - the cover or the bottom can slide or turn with a spring action
  • G04B45/0069 - Cases and fixed parts with a special shape

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology
  • D10 - Measuring, testing, or signalling instruments