3747935

Information

• Patent Grant
• 3747935

• References
• Source

• Patent Number

  3,747,935

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • A63F9/0402 - Rolling boards
  • A63F11/0051 - Indicators of values
  • A63F2009/0644 - Blackboard or slate

• US Classifications

  • 273 - Amusement devices: games
  • 220 - Receptacles