3871657

Information

• Patent Grant
• 3871657

• References
• Source

• Patent Number

  3,871,657

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • A63F3/00533 - Connection of game board or part of game board to supporting structure
  • A63F3/00214 - Three-dimensional game boards
  • A63F3/02 - Chess Similar board games
  • A63F2003/00223 - shaped as a container into which playing pieces may enter
  • A63F2003/00397 - Changeable
  • A63F2003/00545 - Magnetic
  • A63F2003/00738 - Magnetic
  • A63F2003/00829 - with adjustable height

• US Classifications

  • 273 - Amusement devices: games