Sanitary napkin having multiple longitudinal hinges
CA 2370329 A1 · Owner: Wysocki, Theresa · Inventors: Mancuso, Michele; Wysocki, Theresa; Blanchard, Stephen John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sanitary napkin for use by a woman for feminine hygiene and adapted to be worn in an undergarment having a main body portion including a liquid permeable body faceable cover layer, a liquid impermeable garment faceable barrier layer, an absorbent element therebetween. The main body portion has at least two longitudinally extending hinges in a center region adjacent the longitudinal edges. Each hinge is adapted to provide a longitudinally extending preferential bending axis. The hinges are spaced apart along at least a portion of their length and at least one hinge has a radius of curvature and an adjacent hinge is either substantially straight or has a radius of curvature greater than the …
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 February 4, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 4, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 4, 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.