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Expired Canadian patentCanada

Recombinant fowlpox virus

CA 1341234 C · Owner: The Government Of The United States Of America, As Represented By The Secretary, Department Of Health And Human Services · Inventors: Cohen, Lawrence Kenneth; Panicali, Dennis L.

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

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Abstract From the Canadian patent

Recombinant fowlpox virus (FPV) capable of expressing immunogenic proteins of pathogens are described. The FPV express DNA of the pathogen under the direction of FPV or other poxviral promoters. The recombinant FPV provide live vaccines for poultry and other animals.

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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 May 15, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 25, 1989
GrantedMay 15, 2001
Term endedMay 15, 2018
Patent numberCA 1341234 C
Classification (IPC)C12N15/86 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008201120142017Application filedAug 25, 1989Patent grantedMay 15, 2001Term endedMay 15, 2018

Sources & verification

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