Apparatus for determining the internal impression of the auditory canal
CA 2489070 A1 · Owner: Cojoc, Danut Adrian · Inventors: Di Fabrizio, Enzo; Cojoc, Danut Adrian; Cabrini, Stefano
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for determining the internal outline of a duct or cavity comprises light-emitting means (71) suitable for generating a collimated light beam, an elongate probe element (51; 51' ; 51") suitable for being introduced into the duct and for guiding the collimated beam along a predetermined propagation direction, reflector means (52) supported by the probe element (51; 51' ; 51") and suitable for deflecting the collimated beam so as to illuminate the internal wall of the duct and for deflecting the reflected or , diffused light coming from an illuminated point (p) of the internal wall so as to guide it along the probe element (51; 51' ; 51") and detection means (76) , suitable …
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 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 12, 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.