Lottery ticket integrity number
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United States of America Patent
Stats
-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Jul 11, 1986
filing date -
Jul 11, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for enhancing the security of instant lottery tickets. A book number indicating from which packet a particular lottery ticket originated is printed on the back of the ticket and an integrity number is printed on the front of the ticket. The integrity number is related to the book number by an algorithm known only to the ticket manufacturer and the lottery administration. To further enhance the security of the ticket, the book number and integrity number are simultaneously printed onto the ticket.
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Family
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Cited Art Landscape
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