Depilation
CA 2178631 A1 · Owner: Sls Biophile Limited · Inventors: Clement, Robert Marc; Kiernan, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Mammalian hair is depilated using a laser source capable of emitting pulsed radiation each pulse having a duration of 1µs to 1ms the radiation having a wavelength in the range of 600 to 1500nm. A selected area of a patient's skin is irradiated by the pulsed radiation the area having a plurality of irradiation zones; the laser source is successively pulsed so as to irradiate successive zones of the treatment area with the radiation, so as to destroy subdermal biological material associated with hair growth.
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 December 7, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2016.
- 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.