Discoverability and enumeration mechanisms in a hierarchically secure storage system
CA 2533864 C · Owner: Microsoft Corporation · Inventors: Dubhashi, Kedarnath A.; Hunter, Jason T.; Skaria, Simon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system that generates a per user abstraction of a store from a connection point. Filtering a view set of a hierarchically secured containment hierarchy based on , the access permissions of the principal is one of the novel features of the invention. , The invention can offer a collection of primitives that can operate on this aggregation , that span multiple container hierarchies with potentially heterogeneous security , descriptors. The model can reduce the necessity to traverse the container hierarchy to , discover all the accessible items in a domain.
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 January 24, 2006 and granted December 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 24, 2026.
- 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.