Method for transaction within a distributed database
CA 2291009 A1 · Owner: Ronstrom, Ulf Mikael · Inventors: Ronstrom, Ulf Mikael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method of performing a transaction that affects several nodes within a system of nodes in which information belonging to a distributed database is stored. The transaction is opened with a first phase in which the transaction coordinator sends a "prepare" message (a) to the first node (n1), the first node then sends a request (b) for preparation or an "unprepared" message to the second node (n2) eitehr directly or via one or more intermediate nodes (n3), whereafter the second node sends a "prepared" message or an "unprepared" message (c) directly to the transaction coordinator (1), which concludes the first phase. In a second phase the transaction , …
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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 May 28, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 28, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 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.