Dual liquid dispensing packages
CA 2407204 A1 · Owner: Owens-Illinois Closure Inc. · Inventors: Brozell, Leonora M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A package for containing and dispensing a multiple-component liquid solution includes a product chamber member movably mounted within the sidewall of a canister, and, defining at least first and second separate product chambers for containing liquids to be dispensed. First and second pistons are mounted in fixed positions within the canister and respectively, slidably disposed within the first and second chambers. First and second passages extend from, the respective pistons for feeding liquids displaced from the chambers through a manifold to a, surface applicator mounted on the canister. Cooperating structure on the canister and the, chamber member is manipulated by a user to move …
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 9, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 9, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 2024.
- 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.