Closure and pry-off resealable finish
CA 1238589 A · Owner: Continental White Cap, Inc. · Inventors: Lecinski, Frank H. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This relates to a container neck finish which is particularly constructed to have an interlock with a closure of the pry-off type. The container neck finish has a peripherally projecting locking bead which includes an upper camming surface and a lower locking surface and, the associated closure has within the skirt thereof an extension of the usual gasket or sealing liner wherein when the closure is applied to the neck finish locking bead, will deform the adjacent portion of the liner and form an interlock therewith which serves to retain the closure in place. The interlock permits the prying off of the closure and will serve again to retain the closure in place for the purpose of …
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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 June 28, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2005.
- 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.