Originality guarantee
CA 1324341 C · Owner: Koehn, Jochen · Inventors: Koehn, Jochen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An originality guarantee for closures of containers particularly bottles. It has a label (12) which after, it has been removed or damaged, indicates that the closure has been opened. The closure portions (4,6) which are to be moved apart when it is opened are provided with flat recesses for receiving the label (12). The recesses merge from one closure portion into the other or others and together have the external shape and size of the label. Such a label indicates that the closure has been opened when it is torn or cut through. The invention also prevents the possibility of the label being removed and glued on again. This purpose can be served by the said recess which makes it impossible …
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 November 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 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.