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Expired Canadian patentCanada

Method and device for automatic checking of the availability of technical equipment in or at a building

CA 2557723 C · Owner: Schuster, Kilian · Inventors: Richter, Lutz; Schuster, Kilian; Friedli, Paul

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Abstract From the Canadian patent

The method serves for automatic checking of the availability of technical equipment (1) , which is arranged in or at a building and executes at least one repeatable procedure, and , comprises the following steps (S1-S11). There is determined: at least one estimated value , (N S(i,t)) for the frequency of the performance of the procedure for a first time period and/or , second estimated value (N S(i,t + .DELTA.t)) for the frequency of the performance of the procedure , for a second time period. A measured value (N m(i,t)) for the frequency of the performance , of the procedure for the first time period is determined and the measured value is , compared with at least one of the …

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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 March 4, 2005 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 4, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 4, 2005
GrantedAugust 14, 2012
Term endedMarch 4, 2025
Patent numberCA 2557723 C
Classification (IPC)B66B3/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 4, 2005Patent grantedAug 14, 2012Term endedMarch 4, 2025

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