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Expired Canadian patentCanada

Method and device for mandibular advancement

CA 2635438 C · Owner: Quiesco Pty Ltd · Inventors: Yan, Guoping

CIPO record

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Abstract From the Canadian patent

An orthotic device (100) for retaining a patient's mandible in an advanced or protrusive position comprises an intraoral anterior mandibular abutment surface (125) for resisting mandibular retraction by abutting the gingiva covering the mandible and an extramaxillary anterior maxillary abutment surface (115) against which the intraoral anterior mandibular abutment surface (125) is braced. In order to resist rotation of the dental orthotic produced by the interaction of the intraoral anterior mandibular abutment surface and the extramaxillary anterior maxillary abutment surface the , orthotic device is provided with an intraoral posterior maxillary abutment surface (140). The …

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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 January 9, 2006 and granted October 21, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 9, 2026.
  • 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.
FiledJanuary 9, 2006
GrantedOctober 21, 2014
Term endedJanuary 9, 2026
Patent numberCA 2635438 C
Classification (IPC)A61C7/06 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 9, 2006Patent grantedOct 21, 2014Term endedJan 9, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.