Self-expiring identification band

Printed matter – Having revealable concealed information – fraud preventer or... – Identifier

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Details

283 75, 283 95, 283114, B42D 1500

Patent

active

057853541

ABSTRACT:
An identification band is provided which includes an elongated band having an outer surface, an inner surface and first and second ends. A first chemical composition, e.g., a soluble ink, is distributed on the outer surface of the band proximate the first end. A display region is disposed in the band proximate the second end. A second chemical composition, e.g., an adhesive ink activator is distributed on the inner surface of the band overlying the display region proximate the second end. When the band is wrapped around an object, e.g., a user's wrist, with the outer surface exposed, the outer surface of the first end and the inner surface of the second end overlay and are in contact, preferably in adhesive contact, with each other. The first and second chemical compositions coact with each other to cause a visually perceptible change in the display region after a predetermined time interval. Such visually perceptible change is viewable from the outer surface.

REFERENCES:
patent: Re30786 (1981-11-01), Wiebe
patent: 3197899 (1965-08-01), Twentier
patent: 4386795 (1983-06-01), Charles et al.
patent: 5184848 (1993-02-01), Itoh et al.
patent: 5279057 (1994-01-01), Melin et al.
patent: 5319457 (1994-06-01), Kay et al.
patent: 5446705 (1995-08-01), Haas et al.

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