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Expired Canadian patentCanada

Electrically screening housing

CA 2243213 C · Owner: Kahl, Helmut · Inventors: Kahl, Helmut; Tiburtius, Bernd

CIPO record

Overview

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

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Abstract From the Canadian patent

The invention concerns an electrically screening housing (1) for accommodating and electromagnetically screening components or assemblies (C) which emit electromagnetic radiation or are sensitive thereto. The housing (1) comprises at least two parts (2, 3) with electrically screening walls a sealing element , (4) being provided in an adhesive manner on at least one housing part (2) in the region of a join with the other housing part (3). The sealing element (4) and at least one portion of the housing part (2) bearing the latter are made of substantially non-conductive material and for electromagnetic screening , purposes are covered with a cohesive electrically conductive layer (6.1) …

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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 20, 1997 and granted November 19, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 20, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 20, 2019.
  • 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 20, 1997
GrantedNovember 19, 2002
Term endedJanuary 20, 2017
Patent numberCA 2243213 C
Classification (IPC)H05K9/00

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedJan 20, 1997Patent grantedNov 19, 2002Term endedJan 20, 2017

Sources & verification

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