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Expired Canadian patentCanada

Method for paginating a document structure of a document for viewing on a mobile communication device

CA 2479593 C · Owner: Sylthe, Olav A. · Inventors: Yuan, Jianwei (Oliver); Sylthe, Olav A.

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 process for transmitting a document from a server to a mobile device on a per page basis comprising building a graph structure within the server representing a map of the document transmitting a page size limit from the mobile device to the server indicative of the size of a single page of the document to be displayed by the mobile device traversing and paginating the graph structure into successive pages based on the page size limit caching the pages within the server, and transmitting the successive pages from the server to said the mobile device for display by said the mobile device.

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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 August 31, 2004 and granted April 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 31, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 31, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 31, 2004
GrantedApril 22, 2014
Term endedAugust 31, 2024
Patent numberCA 2479593 C
Classification (IPC)H04W4/18

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedAug 31, 2004Patent grantedApril 22, 2014Term endedAug 31, 2024

Sources & verification

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