Information processing system
CA 2117441 C · Owner: Shimotono, Susumu · Inventors: Shimotono, Susumu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To execute a series of operations for hibernation and wake-up at a high speed in a system in which an address for saving the content of the main memory serves as a hibernation file managed by the OS file system , when the information processing system enters hibernation mode, the system accesses an area on an external storage device where file allocation information managed by the OS file system thereby obtaining allocation information of the hibernation file and input the information into a buffer. The system uses allocation information in the buffer to save the content of the main memory and VRAM as well as allocation information into the hibernation file. In addition the address, …
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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 7, 1994 and granted March 16, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 7, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 7, 2016.
- 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.