James R Rinker

US Patent:

44693311, Sep 4, 1984

Filed:

Sep 29, 1982

Appl. No.:

6/426870

Inventors:

James K. Rinker - Los Angeles CA

International Classification:

A63F 912

US Classification:

273157R

Abstract:

A three dimensional jigsaw comprised of a plurality of single-layered and multi-layered interlocking puzzle pieces which combine to form, when the puzzle is assembled, a plurality of superimposed, concentric planer layers of differing surface area is disclosed. When the puzzle is properly assembled, a continuous homogenous pictoral illustration is displayed on the surface of each visable planar layer of the puzzle.