Visual design and character formation composite

Details Visual design and character formation composite Visual design and character formation composite

1987-12-31

1988-11-01

Lazarus, Ira S.

Education and demonstration

Visual art or craft, artistic adornment, or color training...

434 84, 434328, G09B 1100

Patent

active

047815957

ABSTRACT:
A composite sheet for forming visually observable designs comprising a transparent deformable upper layer having a plurality of pockets formed therein; a transparent intermediate layer sealed to the upper layer along edges of the pockets to form a plurality of containers; a lower layer connected to the intermediate layer, with the lower layer having a plurality of fluid activatable invisible designs formed thereon; and invisible design activation fluid contained within the containers to transform the invisible designs into visually observable designs upon breaking of the intermediate layer adjacent the containers by pressure exerted against the upper layer and subsequent contact of the fluid with the lower layer.

REFERENCES:
patent: 3486752 (1969-12-01), Colruis et al.
patent: 3758695 (1973-09-01), Goodman et al.
patent: 4038761 (1977-08-01), Thomas
patent: 4084332 (1978-04-01), Waloszyk et al.
patent: 4514177 (1985-04-01), Lerkoff

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