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:
Jan. 22, 1980
Filed:
Jun. 15, 1978
Applicant:
Inventor:
Gunther Heimke, Weinheim, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
3-191 ; 3-1912 ; 128 / ;
Abstract
An articulatory endoprosthesis having bearing surfaces of dense aluminum oxide ceramic are provided with anchoring elements formed from hot-pressed compounds of silicon with carbon and/or nitrogen having a bending strength of more than 600 N/mm.sup.2 ; preferred compositions comprise silicon nitride and silicon carbide.