The ornamental design for a U.S. patriotic cube puzzle, as shown and described.
FIG. 1 is a plan view of one face of the U.S. patriotic cube puzzle having 20 cubes the puzzle guide element of the design being omitted in FIG. 1–6 for ease of illustration;
FIG. 2 is a plan view of a second face of the U.S. patriotic cube puzzle of the same 20 cubes in another orientation;
FIG. 3 is a plan view of a third face of the U.S. patriotic cube puzzle of the same 20 cubes in another orientation;
FIG. 4 is a plan view of a fourth face of the U.S. patriotic cube puzzle of the same 20 cubes in another orientation;
FIG. 5 is a plan view of a fifth face of the U.S. patriotic cube puzzle of the same 20 cubes in another orientation;
FIG. 6 is a plan view of a sixth face of the U.S. patriotic cube puzzle of the same 20 cubes in another orientation; and,
FIG. 7 is a top perspective view of the U.S. patriotic cube puzzle including the guide element thereof, the 20 cubes being shown in a partially assembled state.