Peristaltic pump head and tube holder
CA 2548141 A1 · Owner: Bannister, Terence Donald · Inventors: Gibson, David John Michael; Bannister, Terence Donald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tube holder (105) for use with a peristaltic pump includes a housing having a recess (165) for receipt of a pump rotor and a tube race around the recess. The tube race has a first race part and a second race part a first tube inlet , (167a) into the first race part and a first tube outlet (167b) from the first race part, a second tube inlet (167c) into the second race part and a second tube outlet (167d) from the second race part. The tube is insertable in the tube race by movement in a substantially orthogonal direction relative to the tube race so that it extends in through the first tube inlet (167a) around , the first race part, out through the first tube outlet (167b) in …
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 December 22, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2025.
- 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.