Sheet interfitting section puzzle

Details Sheet interfitting section puzzle Sheet interfitting section puzzle

1979-12-31

1982-11-30

Oechsle, Anton O.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

434304, 434333, 434406, A63F 910

Patent

active

043613284

ABSTRACT:
A sheet interfitting section puzzle includes incongruent pieces with complementary indicia which are physically separated by the puzzle piece internal edges and complementally abuttable internal edges which may be arranged in only one combination with all internal edges in complementary abutting relationship. When so arranged the complementary indicia are adjacent. Internal edges may be identical and therefore pieces may fit in an incorrect location while the puzzle is being constructed, in which location indicia adjacent to complementally abutting sides would not be complementary, but all the pieces must be located in their correct locations for the puzzle to be solved.

REFERENCES:
patent: 3333351 (1967-08-01), Williams
patent: 3707287 (1972-12-01), Spector
patent: 3923307 (1975-12-01), Sukys et al.
patent: 4076253 (1978-02-01), Eriksen
"Geometric Puzzles", Educational Design Associates, Inc. Catalog, p. 1, copyright 1973.
"Metrodoms", The Mathematics Teacher, vol. 70, No. 3, Mar. 1977, p. 276.

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