2836421

Information

• Patent Grant
• 2836421

• References
• Source

• Patent Number

  2,836,421

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1958
  66 years ago

• CPC

  • A63F9/12 - Three-dimensional jig-saw puzzles
  • A63F2009/128 - with notches

• US Classifications

  • 273 - Amusement devices: games