3487572

Information

• Patent Grant
• 3487572

• References
• Source

• Patent Number

  3,487,572

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • G04B19/24386 - sheet-shaped
  • G09F11/30 - the display elements being fed one by one from storage place to a display position

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 968 - Horology