Hand portable water purification system
CA 2384462 A1 · Owner: Johnson, Troy T. · Inventors: Johnson, Troy T.; Hough, Gary S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand portable water purification system includes a portable electrolytic cell (102) to increase the content of oxygen and chlorine in water to be purified. The electrolytic cell includes a housing and a set of electrodes (102). The housing provides physical support and spacing for the electrodes and protects the electrolytic cell from damage during handling and storage. The hand portable apparatus has a system control circuit (118) that converts an external source of power to a direct current (DC) voltage to energize the electrolytic cell. The combination of the electrolytic cell and the system control circuit is small enough and light enough to be carried in a person's hand. In …
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 July 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 25, 2022.
- 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.