Oral appliance
CA 2778133 C · Owner: Farrell, Christopher John · Inventors: Farrell, Christopher John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An orthodontic trainer (1) for assisting the correction of the misalignment of teeth comprising a base member (2) made of nylon having a generally U-shaped form corresponding to the outline of the jaw of a user and a teeth engaging member (5) that encases the base member (2). The base member (2) has an open frame structure with curved inner and outer elongate frame members (10 12) interconnected at spaced intervals by transverse frame members (15). The continuous teeth engaging member (5) that is made of silicone rubber or PVC comprises a web (40) and inner and outer flanges (44 45) projecting up and down from both upper and lower faces of the web (40). These flanges (44 45) and the web …
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 October 14, 2005 and granted July 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 14, 2025.
- 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.