Internet portal url link through an e-mail prompt for the delivery of solicited and unsolicited information based on the original information requested
CA 2434253 A1 · Owner: Merino, Donald W. · Inventors: Merino, Donald W.; Zylka, Edward J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An information system for selectively providing information in response to a request from a user comprises memory, for storing several databases of information; a search unit, for analyzing the user request and retrieving information related to said request from the memory to generate a first output information signal and for analyzing the first output information signal and retrieving information related to the first output information signal from the memory to generate a second output information signal. The system also includes a webpage unit for receiving the first and second output information signals and selectively displaying said signals on a webpage. The system notifies …
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 December 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 20, 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.