Machine readable assaying system using changeable indicia
CA 2320689 A1 · Owner: National Medical Review Offices, Inc. · Inventors: Lappe, Murray I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A machine readable assaying system including a test card (10) providing a machine readable assaying arrangement. At least one analysis strip (32a/32b) is provided, possibly including antibodies and/or reagents capable of detecting and optically indicating the presence or absence of at least one substance present within a volume of physiological fluid. The analysis strips (32a/32b) composing, at least in part, an assaying mechanism in the form of a pattern of elements (32a/32b), generally additionally including at least one fixed strip (33a), and at least one blank region (33b). Each analysis strip upon contacting the physiological fluid of a donor for a suitable temporal interval, …
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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 February 17, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2021.
- 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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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.