Containers
CA 2035056 C · Owner: Unilever Plc · Inventors: Andrew, Rex
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Containers have an outline in underneath plan view which is wedge shaped. The wedge has a length greater than its width at the thicker end. The containers are packed on a rectangular floor area, which may be the base of a box, with at least some containers in pairs side by side touching each other but with their wedge shapes oriented oppositely so that the thinner end of each wedge shape is adjacent the thicker end of the wedge shape of the other container of the said pair but with a gap between the thinner end of each wedge shape and a notional rectangle whose sides are parallel to or coincide with sides of the rectangular boundary and which, fits around the wedge shapes with one pair of …
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 January 28, 1991 and granted October 22, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 28, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 28, 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.