Easily gripped pouch
CA 2037822 A1 · Owner: Colgate-Palmolive · Inventors: Kristensen, Knud N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present pouch has a region adjacent the top edge having at least two openings adapted to receive a persons fingers. Preferably in this region, the walls of the pouch are sealed to each other to provide a reinforced thickened section. It is also an embodiment that in the area to be gripped that there can be one or more reinforcing ribs. The result is a pouch that can be easily lifted and maneuvered to dispense the contained product,
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 March 8, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2013.
- 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.