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Expired Canadian patentCanada

System and method for permission-based access using a shared account

CA 2594816 C · Owner: Dills, Thomas B. · Inventors: Aiken, David; Gaylor, Timothy R.; Dills, Thomas B.

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Abstract From the Canadian patent

A mechanism for rapidly authenticating an interactive user in an operating system logon session based on a shared account by using a credential delivery application to enable permission-based access to a user's remote session from the shared account is disclosed. The present invention provides the ability to switch local interactive users, authenticate the new interactive user and , switch the remote session without requiring the client to first establish a new logon session tied to the new local interactive user. The present invention also alters the normal locking mechanism found in operating system logon sessions so as to restrict access to an interactive local user's …

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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 January 13, 2006 and granted October 11, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 13, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 13, 2006
GrantedOctober 11, 2016
Term endedJanuary 13, 2026
Patent numberCA 2594816 C
Classification (IPC)G06F21/31

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 13, 2006Patent grantedOct 11, 2016Term endedJan 13, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.