Combinable toy blocks

Details Combinable toy blocks Combinable toy blocks

1989-08-23

1991-03-19

Yu, Mickey

Amusement devices: toys

Construction toy

Resilient interlocking joint

446128, 273160, A63H 3308

Patent

active

050007130

ABSTRACT:
Combinable toy blocks including at most two different type of units which both are cubic. A first unit has a protuberance formed on at least one surface thereof and a depression is formed on each respective remaining surface thereof. A second unit has the depression formed on each respective surface thereof. The depression is fittable to the protuberance. The units are joinable to be plurality of different pieces. Furthermore, the different pieces are joinable to be a square or a cube.

REFERENCES:
patent: 2972833 (1961-02-01), La Grutta
patent: 3374917 (1968-03-01), Troy
patent: 3496670 (1970-02-01), Sloop et al.
patent: 3670449 (1972-06-01), Lemkin et al.
patent: 3822499 (1974-07-01), DeVos
patent: 3905150 (1975-09-01), Dawn
patent: 4026065 (1977-05-01), Dick
patent: 4106657 (1978-08-01), Dogliotti
patent: 4678192 (1987-07-01), Campbell

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