Inner ear diagnostic apparatus and method
CA 2272580 A1 · Owner: Mdi Acquisition Corp. · Inventors: Brainard, Edward C. Ii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for measurement of ear conditions utilizing a test signal. The apparatus includes a wave guide (16) having a proximal and distal end. The distal end is connected to a probe tip (18) which may be fabricated of a semi-, rigid material or rigid material and may further be a material transmissive light. The probe tip (18) is sized so as to fit at least a portion of the probe tip (18) within the ear canal (38). The wave guide (16) further includes an acoustic energy source (14) disposed substantially at the proximal end for generating a test acoustic wave in response to a source signal. The wave guide (16) further includes an acoustic energy detector for example a …
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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 November 25, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 25, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 25, 2019.
- 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.