Ankle-foot orthosis
CA 2590771 C · Owner: Watts, Robert John · Inventors: Watts, Robert John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A preferred embodiment of the invention provides an ankle-foot orthosis (1) for resisting plantarflexion of a patient's foot comprising: a resiliently , flexible sock-like orthotic structure (10) formed of first (12) and second (14) tubular sections set at an angle to one another wherein the second , tubular section is capable of being opened for insertion of the patient's foot and lower leg into respective ones of said first and second tubular sections the orthosis further comprising at least one closure member (34) that can be passed round at least part of the periphery of the second tubular section and secured in place to urge the second tubular section towards a closed position in …
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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 December 6, 2005 and granted July 21, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 6, 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.