Beverage can cap
CA 2277240 A1 · Owner: Sept, Clayton · Inventors: Sept, Clayton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reusable insulating cap is shown for preventing dirt insects and other , foreign, objects from accessing the lid and interior of a beverage can. A number of internal vent, grooves are located about the cap to allow for the pressure of any carbonation or, fermentation to escape to the ambient. The cap is made of a uniform foam-, like, resilient, material to conform to varying sizes and shapes of can tops and to allow a , user to easily, remove the cap from the can by exerting a moderate prying force with one hand while the, other hand holds the can. The cap helps keep the top of the can cool after refrigeration, and reduce heat transfer with the ambient. The cap is easy to clean 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 June 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 30, 2021.
- 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.