Payment process and system
CA 2295032 A1 · Owner: Viner, John Charles · Inventors: Everett, David Barrington; Viner, John Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A payment process and system using a smart card (1) which accesses a remote account at a card issuer (20) via an acquirer (18). The card is read in a terminal (6) which is in two-way communication (17) with the acquirer (18). As part of the payment process, a cryptogram of the transaction data is made by the smart card and used in the terminal (6) as a key to encrypt the PIN entered by the cardholder, for transmission to the acquirer (18). The acquirer also creates a cryptogram, using the transaction data sent to it by the terminal (6), and uses this cryptogram (which should be the same as that created by the smart card) to decrypt the encrypted PIN. In this way the use , of an …
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 June 26, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2020.
- 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.