Voucher with self-contained verification means

Details Voucher with self-contained verification means Voucher with self-contained verification means

1983-09-09

1986-05-27

Spruill, Robert L.

Printed matter

Having revealable concealed information, fraud preventer or...

By removeable material

283903, 273139, B42D 1500

Patent

active

045911908

ABSTRACT:
A voucher resistant to tampering, having self-contained means for verifying the authenticity of said voucher. At least two correlated identifying indicia are applied to the top surface of the voucher substrate. A layer of release coating is applied over one identifying indicia, and a cover layer (preferably opaque) of removable coating is applied over the release coating layer. The relative adhesive qualities of the layers are selected to render ordinary use of the voucher easy but tampering difficult.

REFERENCES:
patent: 3351005 (1967-11-01), Giori
patent: 3829133 (1974-08-01), Smagala-Romanoff
patent: 3950013 (1976-04-01), Tagliaferri
patent: 4095824 (1978-06-01), Bachman
patent: 4174857 (1979-11-01), Koza
patent: 4191376 (1980-03-01), Goldman et al.
patent: 4241942 (1980-12-01), Bachman
patent: 4299637 (1981-11-01), Oberdeck et al.

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