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Canadian application, no grantCanada

A system and method for processing a memory map to provide listing information representing data within a database

CA 2307325 A1 · Owner: Bellsouth Intellectual Property Corporation · Inventors: Kreiner, Barrett Morris; Litwin, Edward Paul

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

Target elements of a search query are selected by referring to elements or listings within a data structure called a memory map module. Each target element is pre-validated against data available within a database (related to the memory map module). The memory map module has an index to the data as well as relationship information between the data. The memory map module is searched to find listings related to the target elements of the search query. In one embodiment, the memory map module is searched by determining a range reference using a first table of the relationship information. A range is determined using the range reference to a second table of the relationship …

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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 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 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.
FiledOctober 13, 1998
GrantedNo grant recorded
Term endedOctober 13, 2018
Patent numberCA 2307325 A1
Classification (IPC)G06F17/30

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedOct 13, 1998Term endedOct 13, 2018

Sources & verification

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