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Expired Canadian patentCanada

Method for determination of herpes simplex virus antibodies

CA 1265049 C · Owner: Kino, Yoichiro · Inventors: Mizuno, Kyosuke; Kino, Yoichiro

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

of disclosure, A method for determination of herpes simplex virus antibody by passive agglutination assay without difficulty and expensive instruments. Disclosed are carriers sensitized with purified HSV antigen from virus or virus infected cells that are useful for determining the immunity by passive agglutination assay.

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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 January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 15, 1985
GrantedJanuary 30, 1990
Term endedJanuary 30, 2007
Patent numberCA 1265049 C
Classification (IPC)G01N33/57 +1 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedNov 15, 1985Patent grantedJan 30, 1990Term endedJan 30, 2007

Sources & verification

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