End plate and module for plasmapheresis
CA 1256810 A · Owner: E. I. Du Pont De Nemours And Company · Inventors: Willis, Frank M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, End Plate and Module for Plasmapheresis ABSTRACT OF THE DISCLOSURE, A plasmapheresis filtration module having stacked grooved plates interleaved with membrane filters, enclosed in a unitary, flexible impermeable, envelope, sealing being effected by pressing the membranes between blood flow channels and a sealing surface on a plasma side support, one of the plates being an end plate having reciprocatory pulse cavities therein. DE-0243
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 July 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 4, 2006.
- 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.