Bone cement system
CA 2423478 A1 · Owner: Hughes, Christopher P. · Inventors: Rocco, Richard A.; Hughes, Christopher P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A relatively rigid container for packaging bone cement powder. The container is filled with the powder and then sealed with a lid. To access the powder the nurse simply peels back the lid. Because no tearing or cutting open is required as with the current pouches used to store cement powder the , likelihood of powder loss and contamination is reduced and the quality of the resulting cement thereby enhanced. The container may be shaped to guide and/or mate with a funnel that guides the powder into the mixing chamber of the cement mixer. Additionally, the container may be shaped to allow for actual mixing of the powder and the liquid within the container. The liquid monomer is then …
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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 September 24, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 24, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2023.
- 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.