A parallel virtual file system
CA 2294397 C · Owner: Ab Initio Software Llc · Inventors: Lordi, Robert; Lasser, Cliff; Stanfill, Craig
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A parallel virtual file system for parallel processing systems including single-processor systems having multiple storage devices. The invention manages partitioned files as follows: partitions of a partitioned file are stored in a set of isomorphic "data trees" (1) an additional directory tree, called the "control tree" (2) is used to build a model of the intended structure of the data trees; the combination of a control tree and a collection of data trees is referred to as a "multifile system" (10) a set of , multifile subroutines (4) is provided for accessing and modifying the multifile system in such a way so as to preserve the data structures. In one of the embodiments of the …
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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 June 16, 1998 and granted October 21, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 16, 2020.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.