Easy opening handled carton
CA 2464357 A1 · Owner: Colgate-Palmolive Company · Inventors: Vogel, Steven A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present bag-in-a-box package is of a three unit structure having a top , unit, a body unit and a bottom unit. The box (10) has a pair of handles (18) for ease in handling the box and a tear strip structure for opening the box. In a preferred mode the tear strip (44) has a grip (44) that is adjacent one of the handle apertures. The tear strip can be of any known structure such as a series of perforations or serrations or a separate film, string or filament applied to the top panel. This makes the tear strip easier to grip and the box easier to open. The bag part of the strucure will preserve the freshness of the contained product while the box will provide structural integrity and …
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 October 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2024.
- 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.