Foramenous implant
CA 2092825 A1 · Owner: Brauker, James H. · Inventors: Dudek, Ronald W.; Hill, Ronald S.; Brauker, James H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chamber made of a biocompatible material adapted to be, implanted in a host, adapted to substantially contain biological material immunologically compatible with the host having a wall, having, holes traversing the wall where the holes have an inner diameter at the narrowest point large enough to permit a functional host capillary to traverse the thickness of the wall and where said, holes are numerous enough to permit said host capillary to support the viability of the contained biological material.
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 July 9, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 9, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 9, 2014.
- 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.