System and method for quality assurance of a biosensor test strip
CA 3098003 C · Owner: F. Hoffmann-La Roche Ag · Inventors: Pauley, James L.; Celentano, Michael J.; Moore, Steven K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a biosensor system comprising (a) a test strip and (b) a test meter coupled to the test strip. The test strip comprises (i) a first measurement electrode (ii) a first conductive trace operatively coupled to the first measurement electrode and (iii) a second conductive trace operatively coupled to the first measurement electrode. The test meter comprises (i) a reference voltage source coupled to the first conductive trace (ii) a known resistance having a first resistor end and a second resistor end the first resistor end being coupled to the second conductive trace and (iii) a current measurement device having an input coupled to the second resistor end. The application of the …
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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
- Filed June 20, 2005 and granted March 29, 2022. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.