Virtual lan printing over interactive cable television system
CA 2313133 A1 · Owner: Lauder, Gary M. · Inventors: Hoarty, W. Leo; Lauder, Gary M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an interactive television information system having a processor at a headend in communication with subscriber televisions through an information service distribution network, at least one printer is coupled to an interface controller connected to a data communication link. Each subscriber television is in communication access with a home interface controller. A selection input in a home interface controller permits a subscriber to request printing wherein a print command is generated in the home interface controller and sent to the processor at the headend. Information for printing is provided from the headend and transmitted over the data communication link to the interface …
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 December 7, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2020.
- 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.