3156468

Information

• Patent Grant
• 3156468

• References
• Source

• Patent Number

  3,156,468

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1964
  60 years ago

• CPC

  • A63F9/0613 - Puzzles or games based on the use of optical filters or elements
  • A63F3/00 - Board games Raffle games
  • A63F2009/0618 - used for masking

• US Classifications

  • 273 - Amusement devices: games