Method and apparatus for collecting and discharging radon gas and fluids
CA 1290579 C · Owner: Jarnagin, Jerry D. · Inventors: Dawson, Dennis W.; Jarnagin, Jerry D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to an apparatus and method for collecting radon gas and fluids primarily from the periphery of a subterranean enclosure and for discharging the collected fluids and radon gas to the exterior of the enclosure. The apparatus and method create a sealed system around the inside perimeter of the subterranean enclosure. A lower than ambient air pressure created in the system collects the radon gas and fluids therein. The radon gas and fluids separate and the system disposes of them separately.
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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
- Granted October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.