Multiple copy capability for network backup systems
CA 2394683 A1 · Owner: Freidin, Jonathan F. · Inventors: Vaitzblit, Lev; Cane, David A.; Freidin, Jonathan F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for providing a multiple copy file backup system (210) is disclosed in which files that have been previously backed up by a first user are to be backed up by different users. The first instance of backing up a file results in storing the file and user in an entry in 238808-1a file data table (212). For other users needing to backup the same file the contents of , the file are copied from the first location into a second location within the file backup storage system (210). The file backup system creates two new entries in the file data table (212). In one entry the file stored in the second location is associated with a User-Pool that allows sharing the file …
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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 December 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 2022.
- 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.