Method and apparatus for reducing turbulence in fluid flow
CA 2255835 A1 · Owner: Cobe Laboratories, Inc. · Inventors: Hlavinka, Dennis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A centrifuge separation device is disclosed and includes a rotor (12) configured to be connected to a centrifuge motor (19) for rotation about an axis of rotation (13). A retainer (14) is associated with the rotor (12) and defines a passageway (14) for a separation channel (44). A protrusion (48) formed in one of the passageway walls (15 16) extends towards and is spaced , from the other of the passageway walls (15 16). The protrusion (48) is sized , to substantially block passage of materials in a predetermined density range and to substantially permit passage of materials outside of the predetermined density range. An indentation (51) formed adjacent the protrusion (48) in a wall …
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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
- Filed May 12, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2019.
- 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
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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.