Bottle stopper
CA 2440725 A1 · Owner: Lin, Sen-Yih · Inventors: Hwang, Hsu-Rong; Lin, Sen-Yih
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The bottle stopper has a body (1), a plug (2) and a jacket (3). The body (1) has an expansion spread by the plug (2) and outwardly confronting with the jacket (3). The plug (2) comprises two necks (22,23) for two different engagements alternatively engaged with the body to provide a locking means (22) and resealing means (23) for the bottle neck. The body (1) is retained between the plug (2) and jacket (3) and assembled as a unit to form the bottle stopper. When the bottle stopper is initially inserted into a bottle neck (4) and pressed to position at the first engagement the locking means (22) , provides a maximum expansion to lock around the bottle neck (4) and the stopper has an …
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 April 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 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.