Service browser process and related system
CA 2380453 A1 · Owner: Opentv, Inc. · Inventors: Muehlbach, Jobst Matthias
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a service browser process and a system for controlling navigation events between a plurality of services and/or channels of a digital interactive Radio-Broadcasting system (1). The process proposes the services to a user and enables the navigation to other services or channels through control means (15). The broadcasted applications being categorised into at least two types including a first type termed Surfer application designed for controlling navigation and having knowledge of services the process comprises , the steps of identifying (21) Surfer applications from other types of applications, selecting (33) a particular Surfer application downloading (27, …
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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 August 9, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 9, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 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.