Rapid pulse ultraviolet light apparatus
CA 1068771 A · Owner: Dentsply International Inc. · Inventors: Gonser, Donald I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a light source apparatus for delivering ultraviolet radiation to a restricted surface area. The apparatus is comprised of an ultraviolet light source which has an unconfined arc tube; a housing which is adapted to contain the source tube and which is suitable for hand-held operation; and a device for high rate pulsing of the ultraviolet light source. A light delivery device is provided as part of the apparatus. The device is is operative association with the light source for delivering ultraviolet radiation from the light source to the restricted surface area.
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
- Granted December 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 25, 1996.
- 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.