Product having concealed message

Details Product having concealed message Product having concealed message

1989-12-20

1991-07-02

Yost, Frank T.

Printed matter

Having revealable concealed information, fraud preventer or...

Having plastic laminate

283903, 428203, B42D 1500, B32D 300

Patent

active

050280767

ABSTRACT:
A wagering, promotional or novelty product having a concealed message comprises a sheet having an outer surface, ink visibly disposed on the outer surface in a first pattern, and transparent film overlying at least a portion of the inked outer surface and secured to the ink on the outer surface portion in selected differentially adherent patterns, the first pattern being visible through the film. Removal of the film from the inked outer surface portion also removes the ink in one of the selected patterns to reveal a desired pattern of deinked outer surface and thereby render visible the previously concealed message.

REFERENCES:
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patent: 3864855 (1975-02-01), Pekko et al.
patent: 3900219 (1975-08-01), D'Amato et al.
patent: 4057919 (1977-11-01), Gauch et al.
patent: 4129445 (1978-10-01), Carrier et al.
patent: 4180929 (1980-01-01), Schultz, Jr.
patent: 4184701 (1980-01-01), Franklin et al.
patent: 4488646 (1984-12-01), McCorkle
patent: 4591190 (1986-05-01), Clark
patent: 4708369 (1987-11-01), Greig
patent: 4709397 (1987-11-01), Voshall et al.
patent: 4718553 (1988-01-01), Adamoli et al.
patent: 4738473 (1988-04-01), Meloni et al.
patent: 4759968 (1988-07-01), Janssen
patent: 4830405 (1989-05-01), Di Bella

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