3889459

Information

• Patent Grant
• 3889459

• References
• Source

• Patent Number

  3,889,459

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • G04G19/00 - Electric power supply circuits specially adapted for use in electronic time-pieces
  • B23K26/351 - for trimming or tuning of electrical components
  • G04D3/0035 - for components of the regulating mechanism
  • G04F5/10 - using electric or electronic resonators

• US Classifications

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