Tier-independent data access framework
CA 2401547 A1 · Owner: Im, Sung Bin · Inventors: Im, Sung Bin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A framework is provided for developing a data access application for use in various environments. When a data operation is performed on a middle tier server in a two-tier environment, the operation and its effects are communicated to the client so that the operation and effects may be recreated there. In a three-tier environment an event manager operating on a middle tier server captures the effects of operations for transmission to a client. A client cache stores a limited amount of data for a data operation and receives the effects of middle tier operations. The granularity of communications between a client and a server may be at the database row or record level rather than at …
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 February 16, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 16, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 16, 2023.
- 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.