3672681

Information

• Patent Grant
• 3672681

• References
• Source

• Patent Number

  3,672,681

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • A63F9/12 - Three-dimensional jig-saw puzzles
  • A63F9/0611 - Solitary games adapted for multiple players
  • A63F9/1204 - Puzzles consisting of non-interlocking identical blocks
  • A63F2009/122 - connecting only two neighbouring elements

• US Classifications

  • 273 - Amusement devices: games
  • 446 - Amusement devices: toys