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US 6,142,533 AGranted
Lottery ticket with hidden conductive ink security means
AssigneeOberthor Gaming Technologies, Inc.
InventorJoseph Carl Borowski, Jr.
Life of this patent
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Abstract
The present invention is directed to a scratch-off type lottery ticket in which a layer comprised of a non-conductive ink region and a conductive ink region are printed below an opaque scratch-off layer. The conductive ink region is detectable through the opaque layer by conventional lottery ticket authentication/validation machines.
Claims5
A lottery ticket comprising:
- a) a substrate;
- b) a non-game data area printed on the substrate;
- c) a game data area printed on a second portion of the substrate and comprising game data, a layer having a first portion thereof printed in a non-conductive ink and a second portion thereof printed in a conductive ink, and an opaque scratch-off layer covering said game data and said layer.
A method of producing a lottery ticket comprising:
- (a) printing non-game data on a first portion of a substrate;
- (b) printing a conductive ink region on a second portion of the substrate different than the first portion of the substrate;
- (c) printing game data over the conductive ink region;
- and
- (d) applying an opaque scratch-off layer over the game data.
2 more elements
Dependencies are inferred from the claim text.