Orthodontic arch wires
CA 1286127 C · Owner: Adell, Loren S. · Inventors: Adell, Loren S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Various embodiments of orthodontic arch wires are disclosed. These embodiments comprise a metal part and a plastic part arranged so that the metal part faces teeth of the arch while the plastic faces labially. The arch wire is formed by an extrusion process wherein wire is extruded to a desired cross sectional shape and plastic is then extruded onto the metal. Various embodiments are configured for different cross sectional features. By making the plastic of a coloration matching the individual's teeth, an aesthetic benefit is obtained.
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
- Granted July 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 2008.
- 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.