3798891

Information

• Patent Grant
• 3798891

• References
• Source

• Patent Number

  3,798,891

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G04C3/027 - using electro-magnetic coupling between electric power source and pendulum

• US Classifications

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