3891209

Information

• Patent Grant
• 3891209

• References
• Source

• Patent Number

  3,891,209

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  51 years ago

• CPC

  • A63F3/0478 - concerning life sciences
  • A61B5/16 - Devices for psychotechnics Testing reaction times Devices for evaluating the psychological state
  • A63F1/02 - Cards Special shapes of cards
  • A63F9/00 - Games not otherwise provided for
  • A63F2009/0007 - Games with therapeutic effects

• US Classifications

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