3605401

Information

• Patent Grant
• 3605401

• References
• Source

• Patent Number

  3,605,401

• Date Filed

  Not available

• Date Issued

  Monday, September 20, 1971
  53 years ago

• CPC

  • G04C3/068 - provided with automatic control
  • G04C3/0276 - the pendulum controlling indirectly, i.e. without mechanical connection, contacts
  • G04C3/065 - the balance controlling gear-train by means of static switches
  • G04C3/067 - Driving circuits with distinct detecting and driving coils

• US Classifications

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