Novelty educational puzzle apparatus

Details Novelty educational puzzle apparatus Novelty educational puzzle apparatus

1982-09-30

1983-12-27

Grieb, William H.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

434170, 434171, 434207, 434406, A63F 910, G09B 136, G09B 138

Patent

active

044226420

ABSTRACT:
A novelty educational puzzle for instructing users in multidirectional, mathematical and grammatical skills that is restrictive as to both the answers and problems in both the vertical and horizontal directions as well as being color coded to further aid the user and facilitate proper assembly and simultaneous solution to the problems thereon.

REFERENCES:
patent: 1477322 (1923-12-01), Degheri
patent: 1604127 (1926-10-01), Lambert
patent: 2513596 (1950-07-01), Severson
patent: 2875531 (1959-03-01), Mansfield
patent: 3290798 (1966-12-01), Gilbert
patent: 3302310 (1967-02-01), Leven
patent: 4044476 (1977-08-01), Marsh
patent: 4076253 (1978-02-01), Eriksen
patent: 4360347 (1982-11-01), Ghaznavi
patent: 4361328 (1982-11-01), Stein et al.

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