2306939

Information

• Patent Grant
• 2306939

• References
• Source

• Patent Number

  2,306,939

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1942
  81 years ago

• CPC

  • A63F9/0613 - Puzzles or games based on the use of optical filters or elements
  • A63F9/0413 - Cuboid dice
  • A63F9/20 - Dominoes or like games Mah-Jongg games
  • A63F3/00006 - Board games played along a linear track
  • A63F3/00072 - played along an endless track
  • A63F3/00151 - Backgammon
  • A63F2009/0491 - Customisable dice
  • A63F2250/423 - fluorescent

• US Classifications

  • 250 - Radiant energy
  • 273 - Amusement devices: games