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Expired Canadian patentCanada

Sample counting support with solid scintillator for use in scintillation counting

CA 1287193 C · Owner: Wunderly, Stephen W. · Inventors: Quint, Joseph F.; Wunderly, Stephen W.

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

A sample counting support for scintillation counting of a radioactive labeled sample comprises a base material covered with a thin layer of dry solid scintillator in a substantially permanent form so that the support may receive the sample and produce light emissions in response to particles emitted by a radioactive substance labelling said sample.

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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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 25, 1988
GrantedJuly 30, 1991
Term endedJuly 30, 2008
Patent numberCA 1287193 C
Classification (IPC)G01T1/20 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMay 25, 1988Patent grantedJuly 30, 1991Term endedJuly 30, 2008

Sources & verification

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