Name translation in communications networks
CA 2109787 C · Owner: Fraser Research, Inc. · Inventors: Fraser, Alexander Gibson
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and methods used in a network for translating names into network addresses. Source nodes in the network receive names and have name caches for translating the names; destination nodes have have local name tables containing, correspondences between names and the network addresses served by the destination, node. There is further a name server accessible to the nodes which contains current, correspondences between names and network addresses. A name is translated by first presenting it to the name cache in a source node; if there is no entry for the, name in the cache, name cache maintenance code in the source node obtains information about the name from the name server; once …
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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 November 23, 1993 and granted March 6, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 23, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2015.
- 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
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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.