Amusement devices: toys – Construction toy – Including connectable panels or strips
Patent
1991-09-17
1993-06-01
Hafer, Robert A.
Amusement devices: toys
Construction toy
Including connectable panels or strips
446125, A63H 3308
Patent
active
052154904
ABSTRACT:
The present invention is comprised of a set of interlocking pieces whereby the base set of four different pieces provide extensive opportunity to assemble patterns two dimensionally and build three dimensionally. The unique asymmetrical mortise and tenon system allows for continual expansion of engaged forms by joining the pieces. The edge profile establishes a design criteria for developing different shaped pieces in addition to the four base pieces. The modular system of interlocking pieces takes advantage of the structural and spacial characteristics of reinforced concrete that other building configurations do not. This invention has the potential to be used for full scale construction as well as for an educational building toy.
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patent: 4991726 (1991-02-01), Johnson
Hafer Robert A.
Muir D. Neal
Szoradi Charles A.
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