3518515

Information

• Patent Grant
• 3518515

• References
• Source

• Patent Number

  3,518,515

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • G04B17/22 - for the effect of variations of temperature
  • G04C3/065 - the balance controlling gear-train by means of static switches
  • G04C3/067 - Driving circuits with distinct detecting and driving coils
  • G04C3/068 - provided with automatic control

• US Classifications

  • 318 - Electricity: motive power systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology