Invention Grant
- Patent Title: Lottery game card with thermal ink to highlight game indicia
- Patent Title (中): 彩色游戏卡与热墨水突出显示游戏标记
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Application No.: US11777380Application Date: 2007-07-13
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Publication No.: US07665732B2Publication Date: 2010-02-23
- Inventor: Kenneth Stephens
- Applicant: Kenneth Stephens
- Applicant Address: US DE Newark
- Assignee: Scientific Games International, Inc.
- Current Assignee: Scientific Games International, Inc.
- Current Assignee Address: US DE Newark
- Agency: Dority & Manning, P.A.
- Main IPC: A63F3/06
- IPC: A63F3/06
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.
Public/Granted literature
- US20080042345A1 LOTTERY GAME CARD WITH THERMAL INK TO HIGHLIGHT GAME INDICIA Public/Granted day:2008-02-21
Information query
