Extensible crimp seal for sanitary napkins
CA 2295060 A1 · Owner: Mcfall, Ronald Ray · Inventors: Oetjen, David Christopher; Mcfall, Ronald Ray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid impervious seal for extensible absorbent articles for wearing in an undergarment, such as sanitary napkins panty liners, incontinence pads, and , the like is disclosed. The absorbent articles are typically formed from the following components: a liquid pervious topsheet a liquid impervious , backsheet joined to the topsheet and an absorbent core positioned between the topsheet and backsheet. The components forming the absorbent article are held together by use of an extensible liquid impervious seal having a sinusoidal configuration.
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 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 30, 2020.
- 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.