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:
Jul. 27, 1999
Filed:
Dec. 10, 1997
Applicant:
Inventors:
Pierre Magnin, Cugy, CH;
Beatrice Michel, Montet sur Cudrefin, CH;
Assignee:
SMH Management Services AG, Biel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
501 87 ; 501103 ; 428404 ; 428698 ; 427215 ; 427569 ; 427577 ;
Abstract
The invention concerns a zirconia based ceramic article having a core of ZrO2 and/or partially reduced ZrO2, characteriZed in that it includes, over at least part of its surface, a superficial layer integral with said article, the thickness of said superficial layer including a plurality of regions of which one external region is formed of zirconium carbide having a metallic appearance.