2178190

Information

• Patent Grant
• 2178190

• References
• Source

• Patent Number

  2,178,190

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1939
  85 years ago

• CPC

  • A63F9/12 - Three-dimensional jig-saw puzzles
  • A63F2009/124 - with a final configuration being a sphere
  • A63F2009/128 - with notches

• US Classifications

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