3823550

Information

• Patent Grant
• 3823550

• References
• Source

• Patent Number

  3,823,550

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  50 years ago

• CPC

  • G04G9/107 - provided with means for displaying at will a time indication or a date or a part thereof
  • G04C3/002 - Position
  • G04G9/10 - by controlling light sources
  • Y10S362/80 - Light emitting diode

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 362 - Illumination
  • 968 - Horology