Dental dowel pin unit and method using same
CA 1069355 A · Owner: Diez D'Aux, Robert · Inventors: Diez D'Aux, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides an improved dental dowel pin unit in which a dowel pin to be embedded in a tooth die is encased in a jacket and provided with a flat planar floater designed to rest on the surface of the die stone material. The jacket portion embedded in the base material provides a tough resilient socket in which the dowel pin can be re-inserted and removed repeatedly for maintaining a precise positioning of the die. The apparatus provides an improved method for preparing die models.
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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 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.