3405459

Information

• Patent Grant
• 3405459

• References
• Source

• Patent Number

  3,405,459

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1968
  56 years ago

• CPC

  • A63F7/048 - used for generating random numbers
  • A63F2009/0047 - Beer mats or coasters; Placemats

• US Classifications

  • 434 - Education and demonstration
  • 273 - Amusement devices: games
  • D19 - Office supplies