Absorbent article
CA 2340559 A1 · Owner: Noda, Yuuki · Inventors: Tamura, Tatsuya; Noda, Yuuki; Mizutani, Satoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed an absorbent article including: a main body; and leakage preventing side walls provided on two sides of the main body to have root ends jointed to the surface of the liquid receiving side and to have free ends positioned apart therefrom. Each leakage preventing side wall includes: a nonwoven fabric of thermoplastic fibers; and an elastic member for exhibiting an elastic shrinking force in the longitudinal direction. The nonwoven fabric is provided with: at least two rigid regions having corrugations, ridge and valleys of which, are individually extended in a direction from the root end to, the free end and are repeated regularly in the longitudinal direction; and a rigid …
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 March 12, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2023.
- 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.