3631668

Information

• Patent Grant
• 3631668

• References
• Source

• Patent Number

  3,631,668

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • G04B11/04 - Pawl constructions therefor
  • G04B45/04 - Time pieces with invisible drive

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 475 - Planetary gear transmission systems or components
  • 968 - Horology