3851885

Information

• Patent Grant
• 3851885

• References
• Source

• Patent Number

  3,851,885

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  50 years ago

• CPC

  • A63F3/00895 - Accessories for board games
  • A63F2003/00283 - with rotatable non-concentric parts

• US Classifications

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