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Expired Canadian patentCanada

Test assembly for x-ray fluorescence analysis

CA 1076715 A · Owner: Gesellschaft Fur Kernenergieverwertung In Schiffbau Und Schiffahrt M.B.H . · Inventors: Rosomm, Herbert; Schwenke, Heinrich; Marten, Rainer

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Abstract From the Canadian patent

A measuring device for X-ray fluorescence analysis is disclosed. A detector is supported in a housing for measuring radiation emitted by samples also in the housing which samples are subjected to glancing X-ray radiation from an external source. The sample or specimens are carried on a specimen changer which is supported on a pivotal frame. The frame can be pivoted to selected positions with respect to a pivot axis which is located at the junction of the incoming radiation and detector axes and is perpendicular to these two axes. This permits adjustment so that radiation from a selected specimen coincides with the detector axis. The specimen changer carries a magazine of specimens which may …

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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

  • Granted April 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 29, 1980
Term endedApril 29, 1997
Patent numberCA 1076715 A
Classification (IPC)G01T1/28

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 29, 1980Term endedApril 29, 1997

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