Closure for a bottle or the like
CA 1316490 C · Owner: Hertrampf, Michael · Inventors: Hertrampf, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a closure for a bottle or the like with, a cap-like retaining part having an inwardly directed projection or collar engaging under an external bead on the neck of a bottle and with a sealing part, separate from the said retaining part and connected thereto, having an annular sealing surface bearing upon the end-surface of the neck of the bottle. The sealing part is connected to the retaining part by a resilient element or is itself resilient, in such a manner as to form a relief-valve. If the closure is used for the neck of a bottle the retaining part, bears upon the upper edge of the neck of the bottle under the tension of the resilient element. It opens at a …
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
- Granted April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.