System and method for verifying commercial transactions
CA 2415366 A1 · Owner: Harris, David N. · Inventors: Harris, David N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method verify a commercial transaction between a card-holder a , merchant, and a credit card company. The card-holder makes a purchase with the merchant using a full credit card number. The merchant submits a transaction approval request for approval with the credit card company (702). The credit card company executes conventional credit approval of the transaction approval request (704, 706), as well as verifies the transaction approval request with the card-holder (710). An approval is sent to the merchant only after the transaction approval request is both conventionally approved by the credit card company and verified by the card-holder (714). The card-holder or the …
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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
- Filed July 16, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 16, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 16, 2023.
- 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.