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Expired Canadian patentCanada

System and method for multi-resolution fairing of non-manifold models

CA 2567436 C · Owner: Schlumberger Canada Limited · Inventors: Gross, Markus Hanz; Hubeli, Andreas Giovanni Piero; Hammersley, Richard Paul

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Overview

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Abstract From the Canadian patent

A method of fairing a non-manifold model as disclosed which includes smoothing the model by applying a fairing operator to a set of features such that noise is removed after determining the features of the model.

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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 January 5, 2001 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 5, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 5, 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.
FiledJanuary 5, 2001
GrantedDecember 18, 2012
Term endedJanuary 5, 2021
Patent numberCA 2567436 C
Classification (IPC)G06T17/00 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedJan 5, 2001Patent grantedDec 18, 2012Term endedJan 5, 2021

Sources & verification

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