Postage label having concealed postal indicium

Details Postage label having concealed postal indicium Postage label having concealed postal indicium

2011-07-19

2011-07-19

Self, Shelley (Department: 3725)

Printed matter

Stamp

C283S087000, C283S094000, C235S488000, C428S913000

Reexamination Certificate

active

07980595

ABSTRACT:
A postage payment label is provided which includes a substrate having an image provided thereon and a postage mark. The substrate and the image are able to transmit light of one or more first wavelengths (e.g., infrared or ultraviolet light) while the postage mark is able to absorb or reflect light of the one or more first wavelengths. Moreover, the image that is provided on the substrate is able to absorb and/or reflect light of one or more second wavelengths (e.g., visible light). Accordingly, when the image is illuminated with light of the one or more second wavelengths (e.g., visible light), the image conceals a portion or all of the postage mark. The postage mark (or relevant portion thereof), however, may be viewed when the image is illuminated with light of the one or more first wavelengths and not illuminated with light of the one or more second wavelengths.

REFERENCES:
patent: 4239543 (1980-12-01), Beasley
patent: 5169155 (1992-12-01), Soules et al.
patent: 5856048 (1999-01-01), Tahara et al.
patent: 5943432 (1999-08-01), Gilmore et al.
patent: 6415983 (2002-07-01), Ulvr et al.

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