An apparatus for pressure sensing
CA 2601004 C · Owner: Arkwright, John Willam · Inventors: Doe, Simon Nicholas; Arkwright, John Willam; Preston, Edward William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus comprising a series of Bragg Gratings (108) a light guide (110) , incorporating the series of Bragg gratings and a plurality of a moveable wall portion. The moveable wall portions have opposite first and second sides and each moveable wall portion is positioned so that a change in the pressure at one of the sides relative to a pressure at the other side will- move the moveable wall portion. The moveable wall portions are coupled to respective Bragg gratings so that the movement of one of the moveable wall portion causes a force on the respective Bragg grating resulting in a change in strain of the respective Bragg grating. The apparatus also comprises at least one rigid …
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 March 9, 2006 and granted December 29, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 9, 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.
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.