Childproof closure for a container comprising a lower portion with extensible spout and a screw cap
CA 2132850 A1 · Owner: Heinrich Stolz Gmbh & Co. Kg · Inventors: Stolz, Heinrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a closure for a container comprising a, lower portion and a screw cap. The lower portion can be connected to the container opening by a base unit and has a pouring spout. The pouring spout is connected to the lower portion by an elastic extensible bellows and, the screw cap with the cap base and the cap casing which is provided with, an inner screw thread can be screwed on and off the pouring spout which has an outer screw thread. As a simple child-proofing feature the pouring, spout of the lower portion is provided with at least one stop lug outside screw thread in the transitional area facing the bellows the lug has a flat, leading edge in the screw-on direction and …
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 March 25, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2015.
- 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.