Multiple ply, alteration-inhibited stock for a match-the-hidden-

Details Multiple ply, alteration-inhibited stock for a match-the-hidden- Multiple ply, alteration-inhibited stock for a match-the-hidden-

1986-06-23

1987-11-24

Kazenske, E. R.

Printed matter

Having revealable concealed information, fraud preventer or...

Having plastic laminate

283903, B42D 1500, B42D 500

Patent

active

047083697

ABSTRACT:
Each unit of the stock for a match-the-hidden-indicia game includes a base sheet printed on one face with a visually ascertainable pattern of indicia, and a cover sheet also printed on one face with a visually ascertainable pattern of indicia which may or may not match the pattern on the base sheet. The one face of the base sheet on at least a band including the pattern of indicia, is provided with a transparent coating of permanent adhesive, and a liner layer is facially adhered thereto. The relative attraction of the permanent adhesive for the one surface of the base sheet and the liner layer is such that any attempt to remove the liner layer will substantially disrupt the one surface, thus giving evidence of an attempt to tamper with the pattern of indicia on the base sheet. The cover sheet is temporarily facially bonded to the liner layer or base sheet in such a way as to obscure the pattern of indicia on the base sheet from view until the temporary bonding of the cover sheet to the liner layer is disrupted, e.g. by peeling or tearing it away.

REFERENCES:
patent: 1985834 (1934-12-01), Lawrence
patent: 2300787 (1942-11-01), Ingliss
patent: 3631617 (1972-01-01), Pekko
patent: 3854229 (1974-12-01), Morgan
patent: 3891242 (1975-06-01), Arnold et al.
patent: 3900219 (1975-08-01), D'Amato et al.
patent: 4082873 (1978-04-01), Williams
patent: 4174857 (1979-11-01), Koza
patent: 4278199 (1981-07-01), Tanaka
patent: 4506916 (1985-03-01), Kuhl
patent: 4512581 (1985-04-01), Levine
patent: 4591190 (1986-05-01), Clark

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