Dental or surgical illuminated mirror
CA 2384490 A1 · Owner: Wong, Chan · Inventors: Wong, Chan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ergonomic non-obstructive illuminated examination mirror for dentistry, medicine and surgery, without the need of fiber optics, includes a slim line elongated member having a wire connection passage, a weighted first proximal end with a battery chamber and a second distal end. A removable disposable nonfogging angled reflective mirror head is coupled to the second end of the elongated member. Light to the mirror is provided by a low heat emitting light source attached to the second end of the rod directed toward the angled reflective head. The power source is connected to the low heat light source by one or more conductive wires within the wire passage and a switch thereby, forming a …
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 May 1, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 1, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 1, 2024.
- 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.