Improved venting devices for surgical casts and other orthopedic devices
CA 2467154 C · Owner: Barberio, Alessandro · Inventors: Barberio, Alessandro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical cast venting device comprises two elongate strips or two layers of flexible material at least one of which is porous. The strips or layers are spaced apart from each other and extend parallel to each other. Flexible solid spacer members are arranged between the two strips or layers and connect them together. These members form air passageways between adjacent spacers so that air is normally free to pass along the passageways. A moisture-absorbent fabric layer extends along an outer side of the porous strip or layer opposite the spacers. In an alternate version there is a first strip which is porous and a series of substantially flat flexible outer members arranged in a row from …
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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 May 12, 2004 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 12, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2026.
- 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.