Interactive paper publisher
CA 2371580 C · Owner: Silverbrook, Kia · Inventors: Silverbrook, Kia; Lapstun, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An on-demand computer based system is provided for allowing a user to obtain interactive printed information from a remote source such as an on-line publication. The system includes a printer module that is provided to the user for interfacing the user with the publication. The module is responsive to the user requesting the publication for generating a first printed page that displays to the user the publication, where that includes first information provided by the publisher and advertising that is derived from an advertiser. The module includes an identifier means for applying an identifier to the first page such that designation of the identifier by the user results in the …
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 May 24, 2000 and granted April 12, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 24, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 24, 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.