1995154

Information

• Patent Grant
• 1995154

• References
• Source

• Patent Number

  1,995,154

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1935
  89 years ago

• CPC

  • G09B1/20 - and bearing the symbols on a surface parallel to the axis of rotation

• US Classifications

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