3687455

Information

• Patent Grant
• 3687455

• References
• Source

• Patent Number

  3,687,455

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • A63F9/0669 - Tesselation
  • A63F9/20 - Dominoes or like games Mah-Jongg games
  • A63F2009/0677 - Part of a circle other than segment or sector, arcuate
  • A63F2009/069 - Trapezium
  • A63F2009/0697 - of polygonal shapes

• US Classifications

  • 273 - Amusement devices: games