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Canadian application, no grantCanada

Object model mapping and runtime engine for employing relational database with object oriented software

CA 2304517 A1 · Owner: Ontos, Inc. · Inventors: Donald, Robert P.; Coleman, Jon E.; Huebner, Robert A.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A mapping between an object model (14) and a relational database (16) is generated to facilitate access to the relational database. The object model can be created from database schema or database schema can be created from the object model. Further, the mapping can be automatically generated. The Database schema, object model and mapping are employed to provide interface objects that are utilized by a runtime engine (24) to facilitate access to the relational database by object oriented software applications.

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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 September 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 25, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 25, 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.
FiledSeptember 25, 1998
GrantedNo grant recorded
Term endedSeptember 25, 2018
Patent numberCA 2304517 A1
Classification (IPC)G06F17/30 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedSep 25, 1998Term endedSep 25, 2018

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.