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US 5,409,236 AGranted
Magnetic game or puzzle and method for making same
OwnerJoel M. Therrieninventor
Life of this patent
Estimating the term…
Abstract
An amusing puzzle made up of a plurality of cube-shaped pieces, which form a unitary cube when the puzzle is properly solved. Each puzzle piece contains at least one permanent two-pole magnet which, when the puzzle is properly solved, is attractedly engaged with the corresponding pole of the magnet contained within the adjoining puzzle piece, thereby holding the puzzle pieces together in order to form the unitary cube.
Claims2
Game or puzzle playing piece, comprising:
- two-pole, permanent magnet having a circular cross-section,
- said magnet being concealed within the face of said one playing piece;
- and
- an annular ferrous metal element substantially conforming to the dimensions of the cross-section of said two-pole magnet, said element surrounding a portion of said magnet such that at least a portion of said magnet protrudes through the annular opening of said element,
- whereby said ferrous metal element concentrates and directs the field of magnetic influence emanating from said two-pole magnet toward the direction of said face of said playing piece.
2 more elements
Dependencies are inferred from the claim text.