3491531

Information

• Patent Grant
• 3491531

• References
• Source

• Patent Number

  3,491,531

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1970
  54 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
  • 318 - Electricity: motive power systems
  • 968 - Horology