Closure system for disposable absorbent article
CA 2305527 A1 · Owner: Melbye, William L. · Inventors: Seth, Jayshree; Melbye, William L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A closure system and method of making a closure system for a disposable article. A substantially continuous closure system web is provided. One face of the web is provided with first fastening region at terminal end portion(s) (32) of the web. A second fastening region (33) engagable with the first , fastening region is provided on a second face of the web in a region adjacent the terminal end portion(s). The closure system tab elements (14) are cut from the web (1) and attached to a second web used in producing the disposable , article at longitudinally spaced locations. This second web is then cut at transverse cut lines separating the closure system tab element into two functional …
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 February 23, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 23, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 23, 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.