Low speed precision stirring/mixing device
CA 2376815 A1 · Owner: Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Health · Inventors: Qureshi, Saeed A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mixing device for low speed precision mixing of contents of a vessel has a support member adapted to be rotatably supported in spaced relationship from a bottom portion of the vessel and separated therefrom by a gap and, a brush assembly depending from the support member for sliding engagement with the bottom portion of the vessel. Low speed rotation of the support member within the vessel causes the brush assembly to sweep the bottom portion of the vessel while mixing the contents of the vessel. The brush assembly can be made of a resilient coil or a plurality of filamentary or lamellar elements affixed to, the support member. This device provides controlled and repeatable mixing and is …
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 March 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 15, 2024.
- 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.