Inhalation responsive dispensers
CA 1236359 A · Owner: Riker Laboratories, Inc. · Inventors: Wass, Anthony C.L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
15-, Abstract of the Disclosure, An inhalation activatable dispenser for use with an aerosol container in which a latch mechanism releasing vane is pivotably mounted in an air passage between an aerosol outlet valve and a mouthpiece, and the latch mechanism cannot be released if force to activate the dispenser is not applied before a patient inhales.
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 May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
- 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.