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Expired Canadian patentCanada

Devices and methods for checking and determining control values

CA 2583755 C · Owner: Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. · Inventors: Pickel, Joerg; Gayer, Marc; Kulessa, Ralph

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 device for checking a data set (112) wherein the data, set (112) has a plurality of partial sets and a partial control value (114) per partial set includes means (102) for determining a control value and comparison means (103). The means (102) for determining a control value is formed so as to determine a common control value (116) from the partial control values (114) of the partial sets. The comparison means (103) is formed so as to compare the common control value (116) to a comparison value (118) provided to the comparison means (103).

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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 12, 2005 and granted January 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 12, 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.
FiledSeptember 12, 2005
GrantedJanuary 15, 2013
Term endedSeptember 12, 2025
Patent numberCA 2583755 C
Classification (IPC)G06F21/64 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 12, 2005Patent grantedJan 15, 2013Term endedSep 12, 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.