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Expired Canadian patentCanada

Method and devices for utilizing data in data formats that cannot be directly processed

CA 2498836 C · Owner: Leica Geosystems Ag · Inventors: Euler, Hans-Juergen

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Abstract From the Canadian patent

Reference dictionaries (10) and data dictionaries are used in order to analyze data in data formats which , cannot be directly processed and which are communicated between geodesic units (8, 9, 9', 11, 11' 15). These , dictionaries are transmitted preferably in conjunction with the transmission of the data and they index analyzable data fields in data formats. When a geodesic unit (8, 9, 9', 11, 11', 15) receives a data format that cannot be directly processed, data fields which can be , analyzed by the reference dictionary (10) can be found , and data fields, which cannot be analyzed by a data dictionary, can be utilized.

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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 August 16, 2003 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 16, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 16, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 16, 2003
GrantedMay 22, 2012
Term endedAugust 16, 2023
Patent numberCA 2498836 C
Classification (IPC)G01C15/00 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedAug 16, 2003Patent grantedMay 22, 2012Term endedAug 16, 2023

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