3755938

Information

• Patent Grant
• 3755938

• References
• Source

• Patent Number

  3,755,938

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • G09F23/14 - on toys, games, puzzles, or similar devices
  • G09F1/12 - Frames therefor

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 434 - Education and demonstration