2647749

Information

• Patent Grant
• 2647749

• References
• Source

• Patent Number

  2,647,749

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1953
  71 years ago

• CPC

  • A63F3/022 - Recording or reproducing chess games
  • G09B19/22 - Games
  • A63F2003/00318 - with a rollable board surface

• US Classifications

  • 273 - Amusement devices: games
  • 242 - Winding, tensioning, or guiding
  • 346 - Recorders
  • 434 - Education and demonstration