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Expired Canadian patentCanada

Bovine placental lactogen

CA 1340505 C · Owner: Smith, Christine Elizabeth · Inventors: Krivi, Gwen Grabowski; Stafford, Jeannine Marie; Hauser, Scott David

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

This invention relates to bovine placental lactogen, amino acid sequences thereof DNA, sequences coding therefor, its production by synthetic means and its use to produce a biological response in cattle.

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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

  • Granted April 20, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 1, 1988
GrantedApril 20, 1999
Term endedApril 20, 2016
Patent numberCA 1340505 C
Classification (IPC)C12N15/16 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007201020132016Application filedSep 1, 1988Patent grantedApril 20, 1999Term endedApril 20, 2016

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.