3699412

Information

• Patent Grant
• 3699412

• References
• Source

• Patent Number

  3,699,412

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • G04C3/10 - driven by electro-magnetic means
  • G04B17/045 - with oscillating blade springs
  • G04C3/105 - pawl and ratched-wheel being magnetically coupled

• US Classifications

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