Method for checking electronic tickets stored on user terminals
CA 2588850 C · Owner: Stoffelsma, Bouke C. · Inventors: Feiter, Manfred; Stoffelsma, Bouke C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method for checking electronic tickets which are assigned to user terminals and are preferably used within a system for automatically detecting the utilization of chargeable means of transport conveying persons and/or deducting the fare. According to said method a verification data , telegram is transmitted while user terminals that receive the verification data telegram optically and/or acoustically output signals which represent the validity of the electronic ticket.
Read the whole patent
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
- Filed December 2, 2005 and granted June 17, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 2, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.