Magnetic square and jig saw puzzle

Details Magnetic square and jig saw puzzle Magnetic square and jig saw puzzle

1976-12-20

1979-02-06

Oechsle, Anton O.

Amusement devices: games

Puzzles

Jumping movement

273156, A63F 906

Patent

active

041381157

ABSTRACT:
A number problem game which comprises a playing board having a planar surface thereon, with an odd number of squares arranged in an equal number of horizontal and vertical rows intersecting each other on the playing board, as well as a plurality of playing elements with each element having a different numbered indicia thereon. The elements being arrangeable on the squares of the board to satisfy a predetermined value which is satisfied by the arithmetical equation:

REFERENCES:
patent: 300534 (1884-06-01), Van Bibber
patent: 1251822 (1918-01-01), Prendergast
patent: 1892318 (1932-12-01), Pressey
patent: 1959040 (1934-05-01), Schilling
patent: 2073551 (1935-03-01), Crasnoff
patent: 2506189 (1950-05-01), Attridge
patent: 2953380 (1960-09-01), Hassenbach
patent: 3618951 (1971-11-01), Parrick et al.
Selchow and Richter Co. Advertisement, Playthings, Nov. 1963, p. 11.

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