3783539

Information

• Patent Grant
• 3783539

• References
• Source

• Patent Number

  3,783,539

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1974
  51 years ago

• CPC

  • G09F11/00 - Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
  • G04C17/02 - by electric lamps
  • G04G9/128 - using mechano-optical means
  • G09F13/06 - using individual cut-out symbols or cut-out silhouettes

• US Classifications

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