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Canadian application, no grantCanada

Control system for an internal combustion engine

CA 2321501 A1 · Owner: Siemens Aktiengesellschaft · Inventors: Bolz, Stephan

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention relates to a control system for an internal combustion engine, wherein said system comprises a motor control device (1) as well as a sensor which is connected through an interface (2) to said motor control device. An estimation unit (211) integrated in said interface is used for digitising the measurement values provided by the sensor.

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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 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2021.
  • 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 18, 1999
GrantedNo grant recorded
Term endedJanuary 18, 2019
Patent numberCA 2321501 A1
Classification (IPC)F02D41/24 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJan 18, 1999Term endedJan 18, 2019

Sources & verification

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