Method for controlling the execution of a request for action transmitted by a server to a chip card via a terminal
CA 2338447 A1 · Owner: Gemplus · Inventors: Imbert, Patrick; Dreher, Dominique
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method for exchanging synchronised messages between an application server and at least a chip card wherein the card transmits a message to the server containing the latest current value of an action counter stored by the server; the server emits a message comprising a request including one or several actions to be implemented by the card and stores the number n of actions of the request; the card receives the message successively executes the action or actions in the request incrementing its action counter between each action if the action has been successfully executed; when there is a request for a transaction by the card the server compares the received action …
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 July 26, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2021.
- 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.