User-activatible substance delivery system
CA 2448217 A1 · Owner: Alwattari, Ali Abdelaziz · Inventors: Alwattari, Ali Abdelaziz; Curro, John Joseph; Mansfield, Michele Ann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A user-activatible substance delivery system of the present invention comprises a first web and a second web the first and second webs having a , periphery and being enclosed about their respective peripheries and defining a void space therein. A substance for delivery upon user activation is disposed in the void space. At least one of the first or second webs has at least one bond site. The bond site(s) define(s) a melt weakened region such that upon application of a force having a vector component parallel to the transverse axis, the bond site(s) fracture(s) to form a corresponding aperture in the respective web. The apertures provide a fluid communication path to facilitate …
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 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2024.
- 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.