2581492

Information

• Patent Grant
• 2581492

• References
• Source

• Patent Number

  2,581,492

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1952
  73 years ago

• CPC

  • G09B1/30 - wherein the elements are adapted to be arranged in co-operation with the support to form symbols
  • A63F3/04 - Geographical or like games ; Educational games

• US Classifications

  • 434 - Education and demonstration
  • 273 - Amusement devices: games
  • 446 - Amusement devices: toys