Network access methods, including direct wireless to internet access
CA 2264866 C · Owner: Xu, Yingchun · Inventors: Cardwell, Bennett S.; Xu, Yingchun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is provided for connecting a source of digital data to a computer network. The source of digital data transmits data over a wireless transmission medium to a wireless service carrier the wireless service , carrier multiplexing the digital data onto a high speed digital telephone line. The method comprises the steps of receiving the digital data at a communications chassis such as a network access server extracting, from the , digital data, network access authentication data comprising at least one of the following: (a) a telephone number called by the source of digital data or , (b) a telephone number associated with the source of digital data; transmitting the authentication …
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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 July 2, 1998 and granted October 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 2, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 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.