Dry powder inhaler
CA 2505366 C · Owner: Boehringer Ingelheim International Gmbh · Inventors: Wachtel, Herbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An inhaler for inhaling powdered pharmaceutical compositions from capsules is described the capsules being plalced before use in a capsule holder disposed in the inhaler. Once the capsule has been inserted in the capsule holder the patient can press an actuating member (7) which can be moved out of a resting position thereby cooperating with at least one pin which can stuck into the capsule holder. The capsule is pierced by means of the minimum of one pin and the pharmaceutical composition is released. The aim is to further improve such inhalers in terms of their operating comfort. This aim is achieved according to the invention with an embodiment of an inhaler wherein the actuating member …
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
- Filed April 26, 2005 and granted June 11, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 26, 2025.
- 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.