Stackable blocks

Details Stackable blocks Stackable blocks

1988-05-25

1989-10-31

Friedman, Carl D.

Education and demonstration

Science

Physics

434403, 446396, 273 IGF, A63F 900

Patent

active

048774073

ABSTRACT:
A set of stackable blocks in which there is a subset of blocks each having its center of mass offset from where the center of mass would be located if the block had a uniform mass distribution. In other aspects, the distribution of mass in one block can be shifted, and the blocks bear arbitrary symbols indicative of the characteristics of their mass distributions.

REFERENCES:
patent: 2570625 (1951-10-01), Zimmerman et al.
patent: 3400932 (1968-09-01), Conrad
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patent: 3478443 (1969-11-01), Imris
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patent: 4522393 (1985-06-01), Dunn
patent: 4522403 (1985-06-01), Maciorowski
Periodicubes Publication by Dyna-Slide Co., page 60, vol. 35, No. 5, May, 1968.

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