Filter for centrifuge tube
CA 1293712 C · Owner: Mathus, Gregory · Inventors: Mathus, Gregory; Lyman, George F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter for a centrifuge tube including a pressure filter for separating a mixture under centrifugal force. The filter tube is adapted to fit within the upper portion of a standard plastic centrifuge tube. The filter tube has a pressure filter at its lower end and an opening at its upper end adapted to be sealed by a cap extending from the centrifuge tube to hold the filter tube securely in position within the centrifuge tube. The filter tube is filled with a mixture of permeable and non-permeable materials and when the composite centrifuge tube and filter tube is spun in the centrifuge, the centrifugal force causes the permeable materials to flow through the filter and collect in the …
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 December 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 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.