3457524

Information

• Patent Grant
• 3457524

• References
• Source

• Patent Number

  3,457,524

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • G04C3/068 - provided with automatic control
  • G04C3/108 - Driving circuits

• US Classifications

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