Dispensing carton with cutting means protector
CA 2072718 C · Owner: Bulger, Wayne · Inventors: Chen, Chih-Hung; Bulger, Wayne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The instant invention relates to a, dispensing carton for a roll of sheet material the dispensing carton having a bottom, front rear and end walls, a lid hingedly connected to the rear wall forming an elongated aperture between the lid and the front wall for withdrawing a sheet material from a roll of sheet material positioned within the dispensing carton. The lid comprises a first panel and a second panel, the first panel extending from said rear wall to the front wall with the second panel overlapping the front wall of the dispensing carton and having a cutting means with a cutting edge affixed to the surface of the second panel, the second panel having a top edge and a bottom edge with 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 June 29, 1992 and granted May 20, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 29, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 29, 2014.
- 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.