Ostomy appliance and method of making
CA 1269293 C · Owner: Bryson, Robert M. · Inventors: Bryson, Robert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A low-profile ostomy appliance, and a method for producing it, in which a microporous adhesive patch extends about a soft, pliable, barrier ring with the concentric distal (outwardly-facing) surfaces of both the patch and ring being adhesively secured to a connecting ring of soft flexible, closed-cell, thermoplastic foam the connecting, ring in turn being heat sealed to the wall of a collection pouch about its inlet opening.
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
- Granted May 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- 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.