Interactive television systems with live customer service
CA 2387638 A1 · Owner: Treyz, G. Victor · Inventors: Ellis, Michael D.; Treyz, G. Victor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system is provided in which users may obtain live customer service when using an interactive television application. The system may distribute television programming to users through a television distribution facility such as a television cable system headend a satellite system or a broadcast , system. The television programming may be received at user equipment. The user equipment may be user television equipment based for example, on a set-top , box or digital video recorder. The user equipment may also be user computer equipment. The user may request help by pressing a remote control help key or by selecting an on-screen option. The help that is presented may relate to the type …
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 August 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 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.