3728641

Information

• Patent Grant
• 3728641

• References
• Source

• Patent Number

  3,728,641

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • H03L1/028 - of generators comprising piezo-electric resonators
  • G04F5/066 - Trimmer condensators
  • H03B5/364 - the amplifier comprising field effect transistors

• US Classifications

  • 331 - Oscillators
  • 361 - Electricity: electrical systems and devices
  • 968 - Horology