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Expired Canadian patentCanada

Automated patient sample analysis instrument

CA 1296403 C · Owner: Genstler, Curtis C. · Inventors: Genstler, Curtis C.; Harris, Paul C.

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

An automated sample analysis instrument positively identifies and maintains the identity of a plurality of patient samples contained in individual sample containers. The invention prevents sample misidentification especially when, patient sample must be transferred from one sample container to reaction wells in Microtiter? plates. Rows of reaction wells in Microtiter? plates are processed in parallel so the difference in reaction time between any two wells on a plate is four minutes or less. Reaction wells are washed with high-pressure jets of wash solution and are aspirated so as to advantageously utilize fluid meniscus on top of fluid contained in the wells. The apparatus can be adjusted …

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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 February 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 29, 1987
GrantedFebruary 25, 1992
Term endedFebruary 25, 2009
Patent numberCA 1296403 C
Classification (IPC)G01N35/00 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedOct 29, 1987Patent grantedFeb 25, 1992Term endedFeb 25, 2009

Sources & verification

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