Jigsaw puzzle

Details Jigsaw puzzle Jigsaw puzzle

1984-04-27

1986-02-18

Oechsle, Anton O.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

A63F 912, A63F 910

Patent

active

045709360

ABSTRACT:
A jigsaw puzzle includes puzzle pieces which interlock to provide a two-piece part which is provided with an open slot. A plurality of such two-piece parts can be interfitted together to form a three-dimensional object.

REFERENCES:
patent: 1229580 (1917-06-01), Brown
patent: 2731766 (1956-01-01), Rubin
patent: 2953380 (1960-09-01), Hassenbech

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