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Expired Canadian patentCanada

Blister piercing element for dry powder inhaler

CA 2605035 C · Owner: Harmer, Quentin John · Inventors: Harmer, Quentin John; Clarke, Roger William; Meliniotis, Andreas Mark

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

A blister piercing element (8) for puncturing the lid of a blister containing a dose of medicament for inhalation by a user is disclosed. The piercing element comprising an outlet opening (10) for the passage of medicament entrained in an airflow out of the blister and a piercing head (11) extending , beyond and overhanging the opening that cuts a flap in a lid of a blister and pushes it away from the opening during insertion.

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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

  • Filed April 13, 2006 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 13, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 13, 2006
GrantedOctober 15, 2013
Term endedApril 13, 2026
Patent numberCA 2605035 C
Classification (IPC)A61M15/00

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedApril 13, 2006Patent grantedOct 15, 2013Term endedApril 13, 2026

Sources & verification

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