Portable hemodialyzer
CA 1102248 A · Owner: Purdue Research Foundation · Inventors: Kessler, David P.; Wilcox, Philip G.; Ash, Stephen R.
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 small, portable chemical reactor adapted to tap the venous blood supply of a patient, said device including a stack of semipermeable membranes maintaining blood and dialysis materials in alternate chambers, said stack being held in sealed relationship by a single center bolt which facilitates quick assembly and disassembly.
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 June 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 1998.
- 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.