Information delivery system and method
CA 2257246 C · Owner: Prohorov, Dmitry · Inventors: Baird, George; Blazek, Pavel; Urazov, Yuri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The secure electronic distribution of research documents over the world wide web to investors. A repository server (2) receives research documents from contributors (14, 16, 18, 20, 22). Also received are corresponding document profiles with information relating to each research document including authorization information specifying who is permitted to access each research document. The repository server (2) includes a first database (11) for structured query searches and a second database (13) for full text searches. The web server (4) receives requests from investors for research documents that satisfy a query. The web server (4) determines whether the first database (11) or the …
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 29, 1997 and granted December 3, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 29, 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.