Cable television controller
CA 2118546 A1 · Owner: American Telephone And Telegraph Company · Inventors: Gilboy, Christopher P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The programmable cable controller in accordance with the invention is adapted to accept a time limit and a time period which are input by a viewer. A channel timer is provided to track the display time of the cable television channel and, upon reaching the preset time limit display of, the cable channel is blocked. The channel timer is reinitialized upon expiration of the preset time period. The programmable cable controller is also adapted to receive cable television programming listings and a viewer's programming preferences and to store them in memory. The viewer's programming preferences are applied to the cable television programming listings to produce a redacted listing of television …
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 October 20, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 20, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 2016.
- 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.