Bottle disclosure and dispensing valvue
CA 2061647 A1 · Owner: Watson, John · Inventors: Watson, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The bottle closure and dispensing valve arrangement comprises a bottle mouth connector having an opening through the connector and a spigot fittable in both a storage and a use position at the opening of the connector. The spigot when in the storage position extends in a first direction inwardly of the connector and when in the use position extends in a second opposite position outwardly of the connector. The spigot comprises a plastic valve housing with a dispensing opening through the housing, a collar trapable in both the storage and the use position between the connector and the bottle mouth to which the connector is fitted, a plastic valve in the dispensing opening and a valve …
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 February 21, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 21, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 21, 2014.
- 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.