3512351

Information

• Patent Grant
• 3512351

• References
• Source

• Patent Number

  3,512,351

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1970
  54 years ago

• CPC

  • G04C11/081 - using an electro-magnet
  • G04C3/14 - incorporating a stepping motor
  • G04C11/084 - acting on the balance
  • G04G3/027 - by combining pulse-trains of different frequencies
  • G04G9/00 - Visual time or date indication means

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 318 - Electricity: motive power systems
  • 331 - Oscillators
  • 968 - Horology