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Expired Canadian patentCanada

Test device, method of manufacturing same and method of determining component in a sample

CA 1288320 C · Owner: Jones, James E. · Inventors: Jones, James E.

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

A new and improved test device, method of manufacturing the test device, and method of determining the presence and relative concentration of a component in a test sample. The device includes a carrier matrix incorporated with a reactant system capable of interacting with a sample component to produce a detectable response. For home use the reactant system produces a, visibly detectable response. The carrier matrix of the device comprises a new and improved whole blood compatible, glucose-permeable strip or layer of a polymerizable silicone material. A reactant system is homogeneously mixed into the polymerizable carrier matrix prior to complete curing of the matrix, and the matrix then is …

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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 September 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 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.
FiledAugust 15, 1986
GrantedSeptember 3, 1991
Term endedSeptember 3, 2008
Patent numberCA 1288320 C
Classification (IPC)G01N33/52 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 15, 1986Patent grantedSep 3, 1991Term endedSep 3, 2008

Sources & verification

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