Non-specific sensor array detectors
CA 2492959 A1 · Owner: Smiths Detection-Pasadena, Inc. · Inventors: Hsiung, Chang-Meng; Sunshine, Steven; Steinthal, Gregory
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Portable and wearable chemical detector devices such as badges, that are , analyte-general rather than analyte-specific, and which provide an optimal way to notify and protect personnel against known and unknown airborne chemical hazards. The devices of the present invention are advantageously lowcost, have low-power requirements, may be wearable and are designed to detect and alarm to a general chemical threat. A sensor device of the present invention in one embodiment includes two or more sensor devices a processing , module coupled to each of the sensor devices and configured to process signals received from each of the two or more sensor devices to determine an environmental …
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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
- Filed July 21, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 21, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 21, 2025.
- 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.