Aerosol device
CA 1306157 C · Owner: Teiken, Gerald W. · Inventors: Byram, David C.; Teiken, Gerald W.; Whaley, Ralph D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a dispenser for use with aerosol formulations for inhalation therapy. The dispenser is small, conveniently carried and features, means to prevent unintended actuation of the aerosol canister and means to prevent dust and dirt from entering the dispenser during storage.
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- 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.