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:
Oct. 20, 1998
Filed:
Apr. 23, 1997
Applicant:
Inventors:
William G Di Maio, Jr, Boothwyn, PA (US);
Michele Staud Marcolongo, Lansdowne, PA (US);
Arnold-Peter C Weiss, Barrington, RI (US);
Assignees:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
De Puy DuPont Orthopedics, Warsaw, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 18 ; 623 18 ;
Abstract
A joint prosthesis is disclosed with stems affixed to the flexing main body at a natural, angle; with positive flexion and extension stops; and with stress-relieving radii at intersections between the stems and the main body.