3649858

Information

• Patent Grant
• 3649858

• References
• Source

• Patent Number

  3,649,858

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • H02K7/065 - Electromechanical oscillators Vibrating magnetic drives
  • B06B3/00 - Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
  • G04C3/00 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
  • G04C3/105 - pawl and ratched-wheel being magnetically coupled

• US Classifications

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