Amusement devices: games – Puzzles – Jumping movement
Reexamination Certificate
2011-07-19
2011-07-19
Wong, Steven (Department: 3711)
Amusement devices: games
Puzzles
Jumping movement
Reexamination Certificate
active
07980560
ABSTRACT:
A three-dimensional tube puzzle is disclosed as a new modification of Rubik's Cube™. It consists of plurality of straight and curved cylindrical elements. The dimensions of each element are so that it fits into cubical cell. Assembled puzzle forms a continuous pipeline that fits into cubical space, wiggling from starting element to ending element. Elements are interconnected so that groups of nine elements, belonging to one of six side surfaces of the puzzle, can be rotated about spatial axes. Each element or layer of the puzzle can be made of the same one color or different colors or gray scale levels to define puzzle difficulty. The subject puzzle requires specific imagination skills to assemble a continuous pipeline based on elements' shapes and orientation. Cylindrical elements can be made hollow with opened ends so that the assembled puzzle forms a continuous tube path for an article of an appropriate size to pass through the puzzle.
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