Lottery ticket having validation data printed in developable invisible ink
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United States of America Patent
Stats
-
Feb 15, 1994
Grant Date -
N/A
app pub date -
Oct 9, 1992
filing date -
Oct 9, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A game ticket has validation data printed on the ticket substrate in invisible ink. The invisible validation data is capable of being irreversibly rendered visible by application of a developing agent. The ticket also has play indicia printed within the play area of the ticket and a removable layer affixed to the ticket over the game area.
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Family
International Classification(s)
Cited Art Landscape
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