3648453

Information

• Patent Grant
• 3648453

• References
• Source

• Patent Number

  3,648,453

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • G04C3/067 - Driving circuits with distinct detecting and driving coils
  • G04C11/081 - using an electro-magnet

• US Classifications

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