2676021

Information

• Patent Grant
• 2676021

• References
• Source

• Patent Number

  2,676,021

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1954
  70 years ago

• CPC

  • G09B23/38 - for botany
  • A63F9/1288 - Sculpture puzzles
  • A63F2009/1236 - with a final configuration thereof

• US Classifications

  • 273 - Amusement devices: games
  • 434 - Education and demonstration