A system for managing user-characterizing network protocol headers
CA 2295274 C · Owner: Doeberl, Terrence M. · Inventors: Reichman, Ronald; Porter, Paul W.; Martin, Judith A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for enabling a user of a computer attached to a computer network, and accessing sites on the network to manage user-characterizing, protocol headers on the user's computer. A particular application of the present invention is to manage so-called Internet cookies on a computer attached to the Internet and using a browser to access websites through the World Wide Web. Such cookies have a type and a value. The managing includes displaying to a user an interpretation of cookies that have been set on the user's computer; the interpretation is made by an interpreter referring to a local cookie dictionary, on the user's computer having entries, corresponding to different types of cookies. …
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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 January 12, 2000 and granted March 26, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 12, 2022.
- 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.