Patent Yard Sign in
Expired Canadian patentCanada

Human gamma, delta t cell antigen receptor polypetides and nucleic acids

CA 1340140 C · Owner: Band, Hamid · Inventors: Ip, Stephen Hoi-Chuen; Brenner, Michael B.; Krangel, Michael S.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

The present invention is directed to a form of the human gamma T cell antigen receptor polypeptide termed Form 2bc, which has a molecular weight of about 40,000 daltons and comprises a constant region containing a sequence encoded by only two C.gamma.2 CII exon copies. The invention also relates to T cell antigen receptor heterodimers comprising the Form 2bc gamma polypeptide, and to nucleic acid sequences encoding the Form 2bc gamma polypeptide and portions thereof. Also provided is a method for producing expression of a gamma, delta T cell antigen receptor heterodimer. The invention also related to monoclonal antibodies specifically reactive with an epitope of the gamma or delta …

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 November 24, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 28, 1988
GrantedNovember 24, 1998
Term endedNovember 24, 2015
Patent numberCA 1340140 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

198919921995199820012004200720102013Application filedOct 28, 1988Patent grantedNov 24, 1998Term endedNov 24, 2015

Sources & verification

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