3592474

Information

• Patent Grant
• 3592474

• References
• Source

• Patent Number

  3,592,474

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1971
  53 years ago

• CPC

  • A63F9/10 - Two-dimensional jig-saw puzzles
  • A63F2003/0418 - with a grid
  • A63F2009/0688 - Square

• US Classifications

  • 273 - Amusement devices: games