3689071

Information

• Patent Grant
• 3689071

• References
• Source

• Patent Number

  3,689,071

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • A63F1/00 - Card games
  • A63F2003/00318 - with a rollable board surface
  • A63F2003/00328 - underneath the playing surface and viewable through holes or windows
  • A63F2003/00331 - with two or more slidable parts
  • A63F2003/00334 - on different levels
  • A63F2003/00337 - in perpendicular directions
  • A63F2009/0004 - using BRAILLE

• US Classifications

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