Method of obtaining data from an information network
CA 2437293 A1 · Owner: Pollack, Neal S. · Inventors: Vickman, Leon L.; Carlson, Timothy R.; Pollack, Neal S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A user of an information network (Fig 1) is provided with information contained within at least one of plurality of network sites (24) in view of a user search criteria by searching a database (20) that is populated with a plurality of other search criteria provided by other network users and a plurality of search strategies. Each of the search strategies includes information regarding network sites likely to contain information relevant to the other search criteria. The other search criteria within the database are linked with the search strategies. At least one search strategy is selected from the database based upon the user's search criteria. The search strategy is executed and …
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 February 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 21, 2023.
- 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.