Centre dispensing roll with enhanced roll integrity
CA 2611073 C · Owner: Ingert, Bernard · Inventors: Ingert, Bernard; Hungler, Joel; Malecot, Yves-Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a roll including a sheet (F) made of a flexible material, such , as an absorbent fibrous material formed by winding the sheet around a winding axis while , creating a hole in the center and that presents a first set (10) of windings bonded to each other. , The roll is characterized by the fact that it includes a second set (20) of windings that are not , bonded to each other between the center hole and the first set (10). The roll, according to the , invention, holds up well throughout its use and is easily placed into service in particular in the , case of a roll of the center pull type.
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 7, 2006 and granted December 17, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 7, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.