Spout for particulate material
CA 2239054 A1 · Owner: Notzl, Andrew · Inventors: Notzl, Andrew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Many major cereal manufacturers currently package their product in cardboard boxes with plastic liners. To get to the product the cardboard, glued, top flap and the sealed plastic , liner must be opened, manually. Existing cardboard and plastic liners typically tear during the opening process resulting in constricted or, cumbersome pouring characteristics and virtually no ability to properly reseal the packaging to prolong, product freshness. The spout of this invention is designed to use the original manufacturers' packaging and gain access to, the product by piercing directly through the packaging and into the product. A sealing surface on the entry, stop flange surface and 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
- Filed May 28, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 28, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2020.
- 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.