System and method for providing multiple renditions of document content
CA 2472552 C · Owner: Sender, Ilan S. · Inventors: Sender, Ilan S.; Cahill, Jason M.; Brintzenhofe, Keith S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Described is a mechanism for providing a single file that includes multiple representations of the same document content. Each of the representations, may be optimized to provide a superior presentation for a particular device or application. The mechanism of the invention is preferably based an a compound file, format that allows multiple renditions of the same content to be stored in a single, document. Meta information is included within the single document that describes, each of the multiple renditions together with any supporting files that may be used, with those renditions. The inventors have determined that the Object Linking and, Embedding (OLE) compound file format is …
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 May 17, 2003 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 2025.
- 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.