发明名称 |
Multicolor overprinting of scratch-off lottery tickets |
摘要 |
A method of producing a lottery ticket and lottery tickets produced thereby wherein an overprint region is provided over at least a scratch-off layer, the overprint region comprising an image obtained from a design in which the colors in the design have been separated into half tone images of each color and are superimposed on at least the scratch-off layer of the lottery ticket.
|
申请公布号 |
US5803504(A) |
申请公布日期 |
1998.09.08 |
申请号 |
US19970795285 |
申请日期 |
1997.02.04 |
申请人 |
BABN TECHNOLOGIES CORPORATION |
发明人 |
DESHIENS, JEAN-PIERRE;HOLMAN, STEPHEN JOHN |
分类号 |
A63F3/06;(IPC1-7):B42D15/00 |
主分类号 |
A63F3/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|