3479812

Information

• Patent Grant
• 3479812

• References
• Source

• Patent Number

  3,479,812

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

  • G04C13/04 - Master-clocks
  • G04C3/14 - incorporating a stepping motor
  • G04F5/06 - using piezoelectric resonators
  • G04G3/02 - Circuits for deriving low frequency timing pulses from pulses of higher frequency
  • G04G19/00 - Electric power supply circuits specially adapted for use in electronic time-pieces

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 331 - Oscillators
  • 968 - Horology