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Expired Canadian patentCanada

Display of secure messages on a mobile communication device

CA 2798617 C · Owner: Blackberry Limited · Inventors: Little, Herbert A.; Brown, Michael K.; Brown, Michael S.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A mobile communications device for the display of an incrementally received message includes a message viewer application for scanning the received portions of the message. On determination that the received portion of the message includes a first displayable portion of the message content the system signals to a message server to halt the message server from forwarding further portions of the message content. The system provides a mechanism for the user of the mobile communications device to cause the mobile communications device to further signal the the message server to recommence the forwarding of further portions of the secure message content to permit the verification of the e-mail …

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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 November 30, 2005 and granted June 21, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 30, 2025.
  • 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.
FiledNovember 30, 2005
GrantedJune 21, 2016
Term endedNovember 30, 2025
Patent numberCA 2798617 C
Classification (IPC)H04W4/12 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 30, 2005Patent grantedJune 21, 2016Term endedNov 30, 2025

Sources & verification

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