Interactive television program guide with remote access
CA 2821607 C · Owner: Rovi Guides, Inc. · Inventors: Hassell, Joel G.; Mccoy, Robert H.; Ellis, Michael D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An interactive television program guide with remote access is provided. The interactive television program guide is implemented on interactive television program guide equipment. A remote program guide access device is connected to the interactive television program guide equipment by a remote access link to provide a user with remote access to program guide functions.
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 July 16, 1999 and granted August 28, 2018. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 16, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 16, 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.