3911665

Information

• Patent Grant
• 3911665

• References
• Source

• Patent Number

  3,911,665

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • G04C17/00 - indicating the time optically by electric means
  • G04C3/008 - Mounting, assembling of components
  • G04G9/0023 - by light valves in general
  • G04G9/087 - provided with means for displaying at will a time indication or a date or a part thereof

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 040 - Card, picture, or sign exhibiting
  • 968 - Horology