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Expired Canadian patentCanada

Waste container insert for washing automated immunoassay apparatus probe

CA 1297000 C · Owner: Kanewske, William J. Iii · Inventors: Kanewske, William J. Iii

CIPO record

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

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Abstract From the Canadian patent

13-, Abstract of the Disclosure, An article for washing automated immunoassay apparatus probe is provided in the form of a plug member with first and second chambers. The first chamber is defined by a inner wall and a bottom surface which when positioned below a probe of a clinical analysis apparatus provides for recirculation of liquid dispensed from the probe back along the outer surface of the probe to remove residual sample from the probe surface prior to conducting subsequent tests with the probe. In the preferred embodiment of the plug, the second chamber is provided with a plurality of passages for drainage of fluid to a reagent waste container which in the, preferred embodiment, …

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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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 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.
FiledMay 6, 1988
GrantedMarch 10, 1992
Term endedMarch 10, 2009
Patent numberCA 1297000 C
Classification (IPC)G01N35/00 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMay 6, 1988Patent grantedMarch 10, 1992Term endedMarch 10, 2009

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