Disposable diaper
CA 2187271 C · Owner: Mishima, Yoshitaka · Inventors: Mishima, Yoshitaka; Sayama, Yasushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable diaper according to the present invention has front and rear waist regions adapted to be separably connected to each other by surface fasteners each surface fastener comprising a hooked fastener component and a looped fastener component operatively associated with the hooked fastener component at least a pair of wings extending outward from transversely opposite sides of the rear waist region have their outer surfaces made of nonwoven fabric with which the component can be interlocked and thereby the invention allows the used disposable diaper to be reliably rolled-up for disposal.
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 October 7, 1996 and granted June 13, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 7, 2018.
- 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.