Disposable absorbent article with self adapting body facing surface topography
CA 2197180 C · Owner: Plumley, Julian Ashton · Inventors: Plumley, Julian Ashton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to disposable absorbent articles comprising a gas bubble (6) to raise the body facing surface (2) of the article towards the wearer especially in the area of liquid discharge. The gas bubble (6) is filled with gas such that it yields to external pressures in order to maintain a comfortable fit of the absorbent article.
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 August 15, 1995 and granted November 21, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 15, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 15, 2017.
- 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.