Curing lamp apparatus with electronic voice
CA 2456693 A1 · Owner: Coltene/Whaledent, Inc. · Inventors: Gofman, Igor Y.; Colombo, Joseph G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A curing lamp apparatus is used for providing electronic voice information to report a number of operating conditions associated with the curing lamp (40). The apparatus includes a light sensor for sensing output power (240) voltage , and current sensors for sensing input power (45-48) a microcontroller for , providing a digital number in response to receiving signals from one or more sensors (70), a programmed voice circuit for retrieving a voice message signal from a memory (140), address associated with the digital number (110) and a , transducer for receiving and audibly reproducing the voice message signal (130).
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 October 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 2024.
- 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.