Equipment for folding and joining boxes made from flat or basically flat materials
CA 2033616 A1 · Owner: Norsk Hydro A.S · Inventors: Gronnevik, Oddbjorn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Equipment for folding and joining boxes being formed from flat or basically flat box materials comprising a device (6) for advancing box materials from a stock or store to a device (8) for pretreating the box materials by heating prior to welding or by application of glue, a device (7) for folding the box materials and holding the box materials in a folded position until the joining operation is ended and a device, (9) for transporting the readily formed boxes to a store or the like.
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 4, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 4, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 4, 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.