Biosensor
CA 2497289 A1 · Owner: Densham, Daniel Henry · Inventors: Alieva, Elena; Densham, Daniel Henry; Jerdev, Artem
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a system and method for detecting a physical chemical or biochemical reaction. The system of the present invention comprises a coherent radiation source for producing an incident wave (21); a carrier surface (AB) for supporting a specimen to be analysed the carrier , surface mounted on a substrate and capable of supporting surface electromagnetic waves (SEW); means for splitting the incident wave into an SEW and a first scattered wave (25), wherein the SEW propagates along the carrier surface and interacts with the specimen; means for generating a second scattered wave (27) from the SEW; and, a detector (28) for monitoring the interference between the …
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 September 2, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 2, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 2, 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.