Disposable portion package
CA 1103216 A · Owner: Vuorento, Lasse · Inventors: Vuorento, Lasse
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a disposable portion package for liquids, creams, powders or the like the package, mainly comprising a casing made of a flexible film which tightly, encloses the packaged substance and also a certain amount of air or some other gas, the package having been provided with at least one conduit or the like, which has been arranged to open by means of pressure produced inside the package for example by pressing, the package between the fingers in order to obtain the contents for use, preferably as a finely-divided spray the package com-, prising at least two wall parts sealed to each other character-, ized in that the conduit has been formed in some layer in 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
- Granted June 16, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 1998.
- 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.