Patent Yard Sign in
Expired Canadian patentCanada

Device for dispensing medicaments

CA 1089735 A · Owner: Allen Hanburys Limited · Inventors: James, Michael

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

An inhalation device by which powdered medicaments can be self administered to a patient comprising a chamber arranged to receive a capsule containing the powdered medicament. At least one air inlet aperture leading into the chamber. A nozzle through which air can be inhaled leads from the chamber. A magazine is slidable and rotatable in the chamber and has a longitudinal capsule loading receptacle arranged so that a capsule inserted therein will have an end portion projecting from the receptacle into the chamber. A knife is fixed in the chamber in such a position that rotation of the magazine with respect to the chamber will cause the projecting portion of a capsule located in the …

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 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 11, 1977
GrantedNovember 18, 1980
Term endedNovember 18, 1997
Patent numberCA 1089735 A
Classification (IPC)A61M31/00 +1 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedFeb 11, 1977Patent grantedNov 18, 1980Term endedNov 18, 1997

Sources & verification

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