System for creating and maintaining a database of information utilizing user opinions
CA 2399641 A1 · Owner: Thomas, Rachael A. · Inventors: Osborn, Cory; Mason, Andrew F.; Thomas, Rachael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for automatically creating and maintaining a database of information utilizing user opinions about subjects particularly exceptional experiences. Described is an Internet system assisting/motivating a population of users interested in information about certain categories of subjects to automatically maintain the database content and to improve the usefulness and quality of the database information without any substantial management by the website owner-manager. The user opinions are primarily in the form of both comments and ratings about which natural-language terms best describe a particular subject, enabling user searches of the subject database to be by way of …
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 10, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 10, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 10, 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.