Dual smart card access control electronic data storage and retrieval system and methods
CA 2287833 A1 · Owner: Findley, Raymond Jr. · Inventors: Dixon, Robert; Findley, Raymond Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention pertains to an electronic data access and retrieval system (20) comprising at least first (B) and second smart cards (A) a first , card (B) being encoded with digital data fields representative of predetermined information and a second card (A) including authorization codes for enabling access to and authorized retrieval of selected information from digital data fields of the first card (B) and includes computer means (10) , including means for displaying the access data. A method is also disclosed of operating an electronic secured access verification display system for displaying an indication of permissible and non-permissible access to facility of authorized …
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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 April 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 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.