1735456

Information

• Patent Grant
• 1735456

• References
• Source

• Patent Number

  1,735,456

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1929
  95 years ago

• CPC

  • G09B1/30 - wherein the elements are adapted to be arranged in co-operation with the support to form symbols

• US Classifications

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