A multi-processor computer system
CA 2249136 A1 · Owner: White, David John · Inventors: White, David John; Ball, Alan Edward; Haughton, John David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-processor computer system comprises one or more CPUs (1) connected to a host computer (2) via a common PCI bus system backplane (3). The host computer (2) comprises a host microprocessor and associated memory unit andeach CPU comprises a local microprocessor (5) having a local bus (15) an associated, local memory unit (6), and a PCI connector (9) connected to the PCI backplane. Each CPU (1) further comprises a bridge (7) having at least two decoders installed between the CPU local bus (15) and the PCI connector (9) and providing an interface between the local microprocessor (5) and the associated local memory unit (6). A first decoder (A) of each bridge (7) is programmed to a first …
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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 October 1, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2020.
- 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.