Advertisement auction system
CA 2353384 A1 · Owner: Prime Research Alliance E, Inc. · Inventors: Eldering, Charles A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An advertisement auction system is presented in which content/opportunity providers (160) announce to advertisers (144) that they have an opportunity to present an advertisement to a consumer (100). The advertiser (144) transmits ad characterization information which is correlated with the consumer profile. Based on the results of the correlation the advertisers (144) place bids for , the advertisement opportunity. Upon acceptance of a bid the advertisement is delivered to the consumer (100). The system can be applied to a variety of media including Internet advertisements advertisements delivered over cable , television systems and printed materials such as magazines and periodicals. …
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 2, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 2, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2021.
- 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.