1055151

Information

• Patent Grant
• 1055151

• References
• Source

• Patent Number

  1,055,151

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1913
  112 years ago

• CPC

  • G09B1/04 - the elements each bearing a single symbol or a single combination of symbols

• US Classifications

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