Protected persistent storage access for mobile applications
CA 2202118 A1 · Owner: Deadman, Richard · Inventors: Deadman, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of processing an applet comprising storing a file in a persistent storage medium (PSM) the, file including an access control list transmitting an, applet from a server, the applet including at least one of applet identification data and a private key encrypted domain identifier and public key pair a, maximum file size indicator, and a specification of required operations, receiving the applet by an application engine, in the event the domain identifier is included in the applet, decrypting the domain identifier using the public key, checking at least one of the applet identification data and decrypted domain identifier against the access control list for a match and in the event a …
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 April 8, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 8, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 8, 2019.
- 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.