3688424

Information

• Patent Grant
• 3688424

• References
• Source

• Patent Number

  3,688,424

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • G09F19/10 - Devices demonstrating the action of an article to be advertised
  • A63H33/22 - Optical, colour, or shadow toys
  • G09F11/23 - the advertising or display material forming part of rotating members

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 472 - Amusement devices