Test strips and process for the production of test strips
CA 1267595 C · Owner: Charlton, Steven C. · Inventors: Charlton, Steven C.; Engelmann, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Test devices and a process for making the test devices are disclosed in which reagent matrix areas attached to substrate are protected axially in the direction of the elongated substrate by a surface(s) adjacent to and in close proximity to each matrix area extending to at least the identical height of the matrix material. The resulting surface(s) protects said matrices from damage, particularly during wiping operations in which excess liquid and/or material is removed from the matrices. MS-1368
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
- Granted April 10, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 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.
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.