Revealed image system

Details Revealed image system Revealed image system

1987-03-10

1990-06-19

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Component noncoextensive with substrate

503200, 503215, 503226, B41M 516

Patent

active

049354019

ABSTRACT:
A sheet is provided which upon abrasion of one surface will reveal a preprinted message without removal of a cover layer.

REFERENCES:
patent: 3503783 (1970-03-01), Evans
patent: 4036511 (1977-07-01), Maalouf
patent: 4360548 (1982-11-01), Skees et al.
patent: 4533567 (1985-08-01), Marinelli
patent: 4642662 (1987-02-01), Torii et al.

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