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Expired Canadian patentCanada

In situ detection of human t-cell leukemia virus type iii

CA 1254118 A · Owner: The United States Of America, Represented By The Secretary, U.S. Departm Ent Of Commerce · Inventors: Gallo, Robert C.; Harper, Mary E.; Wong-Staal, Flossie

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Abstract From the Canadian patent

In situ hybridization method for the detection of viral RNA or DNA, involving the hybridization of a tissue sample with an 35S-labeled HTLV-III RNA probe. The probe detects HTLV-III in primary uncultured tissue, samples, is highly sensitive and is relatively fast, acting. The RNA probe may be synthesized from cloned HTLV-III DNA inserted into a suitable transcription vector.

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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 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 17, 1985
GrantedMay 16, 1989
Term endedMay 16, 2006
Patent numberCA 1254118 A
Classification (IPC)C12Q1/70 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedDec 17, 1985Patent grantedMay 16, 1989Term endedMay 16, 2006

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