Anti-counterfeit program ticket and system therefor
CA 1184658 A · Owner: Mercury Graphics Corporation · Inventors: Vaughan, Douglas F.; Donlevy, Urban A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for detecting counterfeit performance tickets is disclosed. A performance ticket has machine readable coded information in a visible form relating to the performance nature, date and time and in an invisible form encoding additional information unique to the performance. The apparatus comprises a device for receiving the ticket and machine reading the first and second codes of the ticket. The device has a programmable memory which stores the correct information of the first and second codes. The machine read information is compared to the stored information. In the event of a match, a stub portion is removed from the ticket and returned to the patron. In the event of a non-match, …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.