Canadian application, no grantCanada
Foetal cell analysis
CA 2246372 A1 · Owner: Liu, David Tekyung · Inventors: Durrant, Linda Gillian; Liu, David Tekyung
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods for foetal cell analysis are provided as well as kits for use in such , methods and the use of suitable binding agents to isolate foetal cells from maternal blood.
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 February 17, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 17, 1997
GrantedNo grant recorded
Term endedFebruary 17, 2017
Patent numberCA 2246372 A1
Classification (IPC)G01N33/55 +2 more
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.