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Expired Canadian patentCanada

Method and device for accelerated treatment of thin sample on surface

CA 1333467 C · Owner: Brigati, David J. · Inventors: Cuomo, Carlo; Brigati, David J.; Koebler, Douglas J.

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Abstract From the Canadian patent

A thin sample on a surface such as a tissue specimen on a microscope slide is exposed to treatment liquid such as a stain, antibody of nucleic acid probe. The treatment is accelerated by exposing the treatment liquid on the surface to infrared radiation. A device is disclosed for placing such slides into a treatment chamber, for example as a plurality of slide pairs held vertically, with treatment liquid held in capillary gaps between each slide pair. An infrared radiation source provides radiation into the treatment chamber to accelerate the treatment of samples on such slide (on one or both surfaces facing each capillary gap) by the treatment liquid.

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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 December 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 13, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 8, 1989
GrantedDecember 13, 1994
Term endedDecember 13, 2011
Patent numberCA 1333467 C
Classification (IPC)G01N1/28 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMarch 8, 1989Patent grantedDec 13, 1994Term endedDec 13, 2011

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