Apparatus and method for data warehousing
CA 2879549 C · Owner: Amazon Technologies, Inc. · Inventors: Bell, Christopher R.; Dunlap, Mark E.; Boyd, Paul J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for implementing data warehousing systems. According to a first embodiment a system may include a plurality of data warehouses and a data warehouse manager configured to extract data sets from one or more data sources for storage in one or more of the plurality of data warehouses. Each of a first subset including two or more of the plurality of data warehouses may be configured to store a respective replica of a first data set extracted by the data warehouse manager. Further the data warehouse manager may be further configured to allow a query dependent upon the first data set to be evaluated by one of the first subset of data warehouses before each respective …
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 14, 2005 and granted July 26, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 14, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.