Gas and smoke alarm
CA 2228830 A1 · Owner: Borcuti, Maxim · Inventors: Borcuti, Maxim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Any smoke alarm can be converted into a dual one that can detect both smoke and gas (without, changing the parameters and performances of the original smoke alarm) with the help of the circuit, proposed in the present document: The unit described below presents the advantage to detect both carbonic gas and smoke without, using two distinct detectors. The apparatus may be used in industrial spaces dwellings, trailers and , holiday wagons any place, where there is the possibility of a carbonic gas leak or of smoke. This one apparatus assures thus a, double protection.
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 April 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2020.
- 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.