Reusable washable diaper
CA 2255465 A1 · Owner: Read, Elizabeth · Inventors: Schreiner, David; Read, Elizabeth; Prager, Irene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reusable washable diaper comprises an outer shell one face of which is, substantially covered by a free-floating highly porous and non-absorbent liner. An, elongate waterproof retainer is fastened to the liner and extends generally , around, the crotch of the user. The retainer features pockets on opposed edges for releasably retaining an absorbent pad. The free-floating liner permits washing fluid, to freely circulate around the retainer during the laundering process while, enhancing comfort of the garment.
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 December 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 4, 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.