Cap body of beverage container
CA 2357312 A1 · Owner: Nippon Sanso Corporation · Inventors: Ikuo, Miura; Takashi, Ohuo; Hatsumoto, Kunio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a cap body of a beverage container where a large amount of beverage in a container body doesn't flow out and a lid member is, not vigorously released even if hot beverage is put in the container and , where a, degree of freedom to select a spring is improved by alleviating impact force in an, opening operation, the cap body of the beverage container comprising: a cylindrically-shaped drinking mouth member releasably provided in a mouth portion of a container body; a lid member connected to the drinking mouth member via a hinge axis; a spring for urging the lid member to the opening direction; and a lock member provided in a position against the hinge axis of the, …
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 September 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 2023.
- 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.