Lottery game card with thermal ink to highlight game indicia

Details Lottery game card with thermal ink to highlight game indicia Lottery game card with thermal ink to highlight game indicia

2007-07-13

2010-02-23

Layno, Benjamin H (Department: 3711)

Amusement devices: games

Chance devices

Chance selection

C273S269000, C273S272000

Reexamination Certificate

active

07665732

ABSTRACT:
A scratch off lottery game card including a substrate on which a plurality of game indicia are printed on the substrate and a layer of translucent thermal ink coating is placed upon the lottery game card covering the game indicia. The translucent thermal ink coating changes its color when heat is applied, typically from the player scratching the game indicia.

REFERENCES:
patent: 5560608 (1996-10-01), Silverschotz
patent: 5641167 (1997-06-01), Behm et al.
patent: 2005/0258634 (2005-11-01), Dronzek
patent: 0810013 (1997-12-01), None
patent: 1066978 (2001-01-01), None
patent: 2188283 (1987-09-01), None
patent: WO 03103983 (2003-12-01), None
International Search Report Apr. 1, 2008.

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