Source code cross referencing tool, b-tree and method of maintaining a b-tree
CA 2293167 A1 · Owner: Nortel Networks Corporation · Inventors: Garvin, Michael J.; Ng, Kai
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and tool for storing source-code cross referencing information is disclosed. The source-code cross referencing information is stored within a B-tree. Preferably only global cross-reference information is contained within the B-tree. Records within the B-tree contain information about occurrences of variables within the source code. Keyed records of data are preferably stored within leaves of a B-tree having nodes of fixed size, with multiple records of varying size potentially stored within each leaf node. Records within each leaf node are preferably indexed by indexes stored within the node. Such a B-tree may be stored within a file on a computer readable medium such as a disk. …
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 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 30, 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.