Storage bag for blood and blood components
CA 2082387 A1 · Owner: Harms, Frank H. · Inventors: Beard, John R.; Duncan, Alexander; Harms, Frank H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bag (10) is disclosed for the collection freezing, storage, and rapid thawing of fluids and, particularly blood and blood components. Front and back sheets (11,12) of fluid impervious material are bonded to one another along edge portions (14) thereof to form a bag, (10), defining a reservoir. The front and back sheets (11,12) are further bonded together at a plurality of locations (60) intermediate the edge portions (14) to constrain the distance by which the front and back sheets can separate. The intermediate fastening locations (60) are disposed to permit uniform filling of the reservoir. A port (30) is provided for introducing a discharging fluid into and out of the reservoir. When a …
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 May 9, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 9, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2013.
- 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.