3677547

Information

• Patent Grant
• 3677547

• References
• Source

• Patent Number

  3,677,547

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • A63F9/0807 - requiring vacant positions or gap migration
  • A63F7/044 - Hand-held boxes with balls rolled
  • A63F2007/4043 - with balls of three or more different colours
  • A63F2009/0888 - using detents

• US Classifications

  • 273 - Amusement devices: games