Apparatus for measuring characteristics of a liquid
CA 2174432 A1 · Owner: Owens, Daniel Richard · Inventors: Owens, Daniel Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for measuring characteristics of a liquid includes a channel (2) through which during operation the liquid flows and a plurality, of sensors (7 8, 9, 10) for measuring characteristics of the liquid as it flows through the channel. The cross-sectional area of the channel (2) is substantially constant so that, during operation liquid flows through the, channel at a substantially uniform speed.
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 October 18, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 18, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 18, 2016.
- 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.