Test carrier for the analysis of fluids
CA 2039882 A1 · Owner: Schafer, Peter · Inventors: Klein, Bernd; Notzel, Siegfried; Krause, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Test carrier for the analysis of fluids with a frame consisting of at least two parts surrounding a test field opening and with a test field disposed in the test field opening; in order to provide such a test carrier with frame with which it is possible to assemble the test field out of several test layers manufactured separately from one another the test field is designed as a test layer package with test layers resting loosely on one another; the frame comprises two shaped pieces of plastics material, one of which serves as base part and comprises a seat for accommodating the test layers while, the other serves as lid part and comprises a bearing surface resting on the topmost layer of …
Read the whole patent
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 April 5, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 5, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 5, 2013.
- 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
Timeline From CIPO dates
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.