3780521

Information

• Patent Grant
• 3780521

• References
• Source

• Patent Number

  3,780,521

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • G04C3/069 - Driving circuits using a single coil for detection and driving purposes

• US Classifications

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