Dental carrier device for dispensing slurry-like filling materials
CA 2402697 A1 · Owner: Lemon, Ronald R. · Inventors: Lemon, Ronald R.; Luebke, Raymond G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dental device is disclosed for dispensing a slurry-like dental compound such as MTA, into a tooth cavity. The device comprises a delivery tool with a dispensing tip (20) and a plastic tubing sleeve (22). The size of the dental device depends on its intended use, e.g. a smaller size for retrograde or micro-surgical fillings, e.g. root canals. The dispensing tip can be angled to facilitate dispensing the filling material in various places within the mouth. The dental device can also be adapted to attach to a vibration source either mechanical, sonic, or ultrasonic to aid in condensing the filling , material by aiding the escape of air pockets. In an alternative embodiment the sleeve …
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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 March 2, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 2, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 2, 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.