Surgical alteration of skin tissue
CA 2331113 A1 · Owner: Opusdent Ltd. · Inventors: Kreindel, Michael; Ben-Dor, Baruch; Eckhouse, Shimon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus (20) for ablating a target site (22) of a hard biological tissue (24), such as enamel, dentine and bone tissue including a first radiation source (26) activatable of producing a first output (28) having a wavelength of between 1.5 and 6.5 microns; a second radiation source (27) activatable of producing a second output (30) having a wavelength of between 9.0 and 10.6 microns; a delivering arrangement (32) for effecting coaxialy of the first (28), and second (30) outputs and for concurrently delivering the outputs to the target site (22); wherein the first (28) and the second (30) outputs are selected such that the concurrent delivery of the first (28) and second (30) , …
Read the whole patent
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 April 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2021.
- 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.