System for database creation, maintenance and access using event marking and two-dimensional partioning
CA 2302365 A1 · Owner: American Management Systems, Incorporated · Inventors: Moulin, Alexander
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method that reduces access backup, restore, and processing time required by partitioning data in a database into two dimensions. The first dimension is by event processing date and the second dimension is by partition group. Once partitioned in two dimensions the data is stored in two-dimensional partitions in the form of rolling tables including an event marker. This partitioning and marking is done upon receipt of data which eliminates the need for further processing to efficiently store data. This partitioning and marking further reduces the size of data blocks that need to be handled when backing up or restoring data deleting data, and, retrieving data. Thus extremely large …
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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 26, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 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
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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.