Expired Canadian patentCanada
Nano-based device and method
CA 2549454 C · Owner: Wei, Bingqing · Inventors: Wei, Bingqing; Gerez, David; Ullo, John
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nano-based device includes a support structure providing a support surface a second structure providing a second surface angled with respect to the support surface and at least one nano-emitter provided on the second surface.
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 June 2, 2006 and granted June 30, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 2, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 2, 2006
GrantedJune 30, 2015
Term endedJune 2, 2026
Patent numberCA 2549454 C
Classification (IPC)B82B1/00 +1 more
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.