Patents by Inventor Edward J. Ching

Edward J. Ching has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of playing a three dimensional pyramidal chess game
    Patent number: 5112056
    Abstract: A multi-tier checkered gameboard having rows and columns, is disclosed. The multi-tier checkered gameboard includes a first tier which includes 8 rows and 8 columns of 64 equal sized squares. The 64 equal sized squares alternate in color from clear to tinted. A second tier having a center with a hole and is displaced a distance above the first tier, and includes 4 rows and 4 columns of 16 equal sized squares, the 16 equal sized squares alternates in the color from the clear to the tinted. A third tier having the center with the hole and is displaced the distance above the second tier, and includes 2 rows and 2 columns of 4 equal sized squares, the 4 equal sized squares alternate in the color from the clear to the tinted. A fourth tier displaced a distance above the third tier, and including 1 square, the square being the color of clear.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: May 12, 1992
    Inventor: Edward J. Ching
  • Pyramidal type quad level checkered gameboard and game
    Patent number: 5033751
    Abstract: A multi-tier checkered gameboard having rows and columns, is disclosed. The multi-tier checkered gameboard includes a first tier which includes 8 rows and 8 columns of 64 equal sized squares. The 64 equal sized squares alternate in color from clear to tinted. A second tier having a center with a hole and is displaced a distance above the first tier, and includes 4 rows and 4 columns of 16 equal sized squares, the 16 equal sized squares alternates in the color from the clear to the tinted. A third tier having the center with the hole and is displaced the distance above the second tier, the includes 2 rows and 2 columns of 4 equal sized squares, the 4 equal sized squares alternate in the color from the clear to the tinted. A fourth tier displaced a distance above the third tier, and including 1 square, the square being the color of clear.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: July 23, 1991
    Inventor: Edward J. Ching