Dialysis cell
CA 1290701 C · Owner: Nelson, Jerald C. · Inventors: Nelson, Jerald C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sampling device for use with an open necked container capable of holding a fluid material com-, prises a hollow support member insertable into the container through the open necked portion thereof. The support member comprises a main body portion of a smaller diameter than the open neck of the container; a first end portion extends from the main body portion and is open to the ambient atmosphere through the open neck portion of the container. In one embodiment elongated ribbed members extend from the main body portion and define a second end portion. The ribbed members form a generally rigid support structure. A dialysis tubing is fitted over the ribbed members and is closed at one end to …
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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.