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Expired Canadian patentCanada

Vacuum sensor application and method for nondetachably joining a sensor workpiece to a body component

CA 2544862 C · Owner: Stehmeier, Heiner · Inventors: Bockenheimer, Clemens; Stehmeier, Heiner

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Abstract From the Canadian patent

Vacuum sensor application and method for firmly joining a sensor workpiece to a body component, where a) firstly, an adhesive layer which is provided by a cross-linked transfer contact adhesive is laminated to a sensor contact surface of the sensor workpiece, b) then by using known radiation methods, the geometric patterns of a plurality of galleries to be arranged in a laminar fashion are transferred to the sensor contact surface by a light beam that penetrates the transfer contact adhesive are subsequently introduced into the , sensor workpiece and in the process, are removed congruently with the structures of the adhesive layer introduced into the sensor workpiece c) 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 December 10, 2004 and granted January 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 10, 2024.
  • 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.
FiledDecember 10, 2004
GrantedJanuary 28, 2014
Term endedDecember 10, 2024
Patent numberCA 2544862 C
Classification (IPC)G01N19/08 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 10, 2004Patent grantedJan 28, 2014Term endedDec 10, 2024

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