2674813

Information

• Patent Grant
• 2674813

• References
• Source

• Patent Number

  2,674,813

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1954
  70 years ago

• CPC

  • G09B29/12 - Relief maps
  • A63F3/0449 - concerning history
  • A63F2009/0003 - Games specially adapted for blind or partially sighted people

• US Classifications

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