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:
Aug. 25, 1998
Filed:
Aug. 19, 1997
Applicant:
Inventors:
John Runciman, Renfrew, CA;
Samuel G Agnew, Little Rock, AR (US);
Ross Kenneth Leighton, Halifax, CA;
Assignee:
Terray Corporation, Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606 69 ; 606 73 ;
Abstract
A washer for use with a bone screw has a head of a first diameter. The washer has a generally hemispherical recess dimensioned to fit the head of such bone screw, and an exterior shape closely approximating the shape of a head of a bone screw and having a second diameter that is larger than the first diameter.