Closure with a tamper-indicating element optionally suitable for use as a tool
CA 2265749 A1 · Owner: Rohr, Robert D. · Inventors: Imbery, Leo R. Jr.; Rohr, Robert D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tamper-evident closure (20) is provided with a base (24) for attachment to a container, and the base (24) defines a discharge aperture (40). A lid (50) is movable between a closed position and an open position with respect to the discharge aperture (40). A manually releasable latch (70 86) holds the lid , closed on the base (24). A tamper-indicating element (54) is mounted adjacent the latch (70, 86). In one form of the invention the element (54) has a , removable part defining a tool (109). According to another aspect of the invention, the removable part of the element (54) is broken away when the latch (70, 86) is operated. In yet another form of the invention the element , (54) …
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 July 17, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 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.