Dental instrument
CA 1075940 A · Owner: Linden, Enok S.R. · Inventors: Linden, Enok S.R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dental instrument consists of an extended handle part which at one or both of its ends carries a tool of corrosion-proof material, preferably stainless steel. The handle part is shaped as a sleeve of circular cross-section consisting of a light-metal alloy. Externally the sleeve has a colour symbolising the function of the instrument.
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 April 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 22, 1997.
- 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.