The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 1992
Filed:
Jul. 23, 1987
Applicant:
Inventor:
Francois Duret, Les Grands Lemps (Isere), FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21F / ;
U.S. Cl.
CPC ...
291606 ; 433 25 ; 433213 ; 36447405 ;
Abstract
After the shape of the zone of implantation in the mouth is obtained by direct impression, micro-sensing or optical impression, a prosthesis or a mold for making a prosthesis is automatically machined by machine tool at a work center with the assistance of a calculator or computer which takes into consideration the shape obtained, the material or materials which are to be shaped, and other parameters such as thicknesses and the like which are essential to the proper shape and configuration of the prosthesis which is thus fabricated. The prosthesis can be a crown, bridge or part or assembly of both.