A self-condensing ph sensor
CA 2547613 C · Owner: Wolf, Erich · Inventors: Wolf, Erich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention pertains to an apparatus and a means of constructing a pH sensor (10) that can detect changes in pH levels of humidified gases and liquid samples. When electronically connected to a computerized of analog display means, sensitive quantitative measurements can be obtained. Given the construction of current pH devices available today there is a need in the , field for a novel miniaturized, self-condensing pH probe (10) that can be used in fluid or humidified gases.
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 November 16, 2004 and granted October 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 16, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.