Pool alarm
CA 2001799 A1 · Owner: Genereux, Emile · Inventors: Genereux, Emile; Genereux, Emile; Bettez, Manon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A buoyant alarm device which provides an alarm indication when the surface of a quiescent body of water is disturbed by the entry of an object therein. The device includes an alarm body comprising two buoyant flotation chambers attached to a connecting member. A control circuit means is positioned within the alarm body and is connected to a first electrode adjustably mounted on the connecting member and to a second electrode mounted on a flotation chamber. A third electrode is also located on the alarm body. The electrodes are positioned so that when the alarm device is placed in a quiescent body of water the first and third electrodes are above the surface of the water and the second …
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 30, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 2011.
- 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.