2831691

Information

• Patent Grant
• 2831691

• References
• Source

• Patent Number

  2,831,691

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1958
  66 years ago

• CPC

  • A63F5/043 - using concentric discs or rings
  • A63F9/0098 - Word or number games
  • A63F11/0011 - Chance selectors

• US Classifications

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