Articulating connector for a mandibular repositioning oral appliance
CA 2236747 C · Owner: Action Win Limited · Inventors: Woo, Stephen Y.Y.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An articulating connector for a mandibular repositioning appliance comprises upper and lower housings each pivotally mounted on a pin and rotatable, about the axis of the pin, to selectively permit movement of the mandible in the, lateral direction. The pins are hingedly connected respectively to threaded adjusting, screws to selectively permit movement of the mandible in the vertical direction. The adjusting screws have opposite thread directions and are engaged within a collar, rotation of which sets a desired spacing between the adjusting screws to fix, the position of the mandible in the anterior/posterior directions. Optionally the, lateral and/or vertical hinges can be locked to …
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 5, 1998 and granted July 22, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 5, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2020.
- 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.