3678307

Information

• Patent Grant
• 3678307

• References
• Source

• Patent Number

  3,678,307

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • G04C3/107 - Controlling frequency or amplitude of the oscillating system
  • G04C3/105 - pawl and ratched-wheel being magnetically coupled

• US Classifications

  • 310 - Electrical generator or motor structure
  • 084 - Music
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology