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Expired Canadian patentCanada

Filamentous fungi functional replicating extrachromosomal element

CA 1207687 A · Owner: St. Louis University · Inventors: Lambowitz, Alan M.

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Abstract From the Canadian patent

A functional extrachromosomal element capable of replication in filamentous fungi is provided. The extrachromosomal element employs (1) a mitochondrial replicating element or (2) a lower organism replication sequence recognized by the fungus, in combination with foreign DNA to provide replication, transcription and, translation of foreign regulatory elements and genes. The extrachromosomal element is exemplified by a mitochondrial replicating system from Neurospora. The cell strain E. coli HB101 containing the plasmid pALS-1-1 has been deposited at the A.T.C.C. on July 13, 1982, for patent purposes and given the designation ATCC 39157. The cell strain E. coli HB101 containing the plasmid …

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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 July 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 5, 1983
GrantedJuly 15, 1986
Term endedJuly 15, 2003
Patent numberCA 1207687 A
Classification (IPC)C12N15/00 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 5, 1983Patent grantedJuly 15, 1986Term endedJuly 15, 2003

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