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Expired Canadian patentCanada

Apparatus for administering fluids through the nose by means of a tube

CA 1281958 C · Owner: Welzer, Peter · Inventors: Milewski, Christian; Welzer, Peter

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

An apparatus for administering fluids through the nose comprises a tube having a distal end and a proximal end. During the time in which no administering is being carried out the proximal end of the tube is secured in position and disposed removably within the nasal vestibule for administering. Thus during the time when no administering is being carried out the proximal end of the tube is mounted invisibly within the nose while for administering the fluid it can easily be removed from the nasal vestibule and connected to the fluid container.

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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 March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 12, 1986
GrantedMarch 26, 1991
Term endedMarch 26, 2008
Patent numberCA 1281958 C
Classification (IPC)A61J15/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMay 12, 1986Patent grantedMarch 26, 1991Term endedMarch 26, 2008

Sources & verification

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