Marking system

Details Marking system Marking system

1988-09-28

1990-12-11

Bell, Paul A.

Printed matter

Method

Identifying

283105, 283901, 283 81, B42D 1500

Patent

active

049764560

ABSTRACT:
A label formed of a plastic film having a mottled background on its lower surface, which is covered by a layer of adhesive and a backing strip. The label has an invisible identifier on its upper surface which becomes visible when a marking pen is applied to it and the excess material around the identifier is wiped away.

REFERENCES:
patent: 1474706 (1923-11-01), Cardell
patent: 2324885 (1943-07-01), Sherrill
patent: 4109047 (1978-08-01), Fredrickson
patent: 4239261 (1980-12-01), Richardson
patent: 4660859 (1987-04-01), Natesh
patent: 4725078 (1988-02-01), Janicki
Tricks Every Boy Can Do; Todd, Joseph P; Hart, (New York, 1948) p. 20.

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