Apparatus and method for suspending and resuming software applications on a computer
CA 2070955 C · Owner: Miyazaki, Masaya · Inventors: Miyazaki, Masaya; Morita, Mitsuaki; Enoki, Nobuyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a control unit of a computer system comprising a volatile storing device for holding written data while the power is on, a non-volatile storing device for holding the written data even when the power is off and, a power-off preserving device for powering off after transferring the data held in the volatile storing device to the non-volatile storing device. The control unit of the computer system further comprising a power-on resuming device for returning the data held in the non-volatile storing device to the volatile storing device. There is also disclosed a control unit of a computer system comprising a non-resumable condition judging device for judging whether the …
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 June 10, 1992 and granted September 15, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2014.
- 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.