Liquid reservoir
CA 2122608 C · Owner: Kvaerner Pulping Technologies Ab · Inventors: Jacobsen, Finn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel liquid reservoir apparatus is provided herein. Such apparatus includes a liquid reservoir having an inlet conduit for liquid an outlet conduit for , liquid, reservoir walls, and a reservoir bottom. A liquid outflow arrangement is located inside the, reservoir and is connected to the inlet conduit. The outflow arrangement includes means, for ensuring that an outlet opening from the outflow arrangement follows the surface of, liquid which may be in the reservoir. The liquid reservoir constitutes a buffer for a, foaming-susceptible spent liquor which may be produced from a cellulose industry, wherein the level of liquid which may be within the reservoir varies significantly. The, …
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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 October 28, 1992 and granted December 5, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 28, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 28, 2014.
- 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.