Check verification system and method
CA 2324124 A1 · Owner: Citibank, N.A. · Inventors: Slater, Alan T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system for determining the negotiability of checks drawn on any account from any bank or other financial institution based on a comparison against stored, information on whether or not checks previously drawn on that account have cleared and, were paid includes a database having two related tables. A table of active accounts at any, bank is generated by recording account information from checks presented for negotiation at, a second bank. If the check is not returned after a predetermined number of days (i.e. the, check is paid), the record is updated to show that the account is "in good standing". A, separate table of accounts that are not in good standing is generated …
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 October 24, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 24, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 24, 2022.
- 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.