3487630

Information

• Patent Grant
• 3487630

• References
• Source

• Patent Number

  3,487,630

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • G04C3/042 - using mechanical coupling
  • G04B17/285 - Tourbillons or carrousels
  • G04C3/045 - with constant impulses

• US Classifications

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