Expired Canadian patentCanada
Nucleic acid probes for prenatal sexing
CA 1306431 C · Owner: Harpold, Michael M. · Inventors: Ellis, Steven B.; Harpold, Michael M.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Nucleic acid hybridization probes are provided which have sequences complementary to sequences of segments in bovine male-specific DNA and are suitable for sexing bovine embryos at the time of embryo transfer with nearly 100% accuracy.
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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 30, 1986
GrantedAugust 18, 1992
Term endedAugust 18, 2009
Patent numberCA 1306431 C
Classification (IPC)C12Q1/68 +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.