Closure system for an active agent delivery device
CA 2268887 C · Owner: Ohms, Christopher M.G. · Inventors: Ohms, Christopher M.G.; Vukadin, Radomir N.M.; Horvath, James W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a closure system for an oral active agent delivery device. The device comprises an elongate tubular member (10) having first (12) and second (14) ends. The, closure system includes a deformable closure means (28) adapted to allow delivery of the active, agent upon deformation. The closure system prevents spillage and maintains the integrity of the, dose within the device. In use the closure system is deformed and separated from the second end, of the tubular member liquid is drawn up into the first end of the member and the liquid and, active agent are drawn out of the second end of the member and into the patient's mouth.
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 October 14, 1997 and granted November 25, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 14, 2019.
- 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.