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:
Nov. 23, 1993
Filed:
Oct. 18, 1991
Applicant:
Inventor:
Stuart J Filhol, Enniskeane, Co. Cork, IE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433221 ; 433220 ;
Abstract
A retentive dental pin comprising in sequence a lower portion which can be secured within the dentine of a tooth, and a head portion to which a tooth restoration may be secured, a detachable connection, and a fixing portion attached to the head portion by the detachable connection, characterised in that the head portion is connected to the lower portion by dentine-engaging structure comprising an inwardly and downwardly extending surface carrying grooves shaped to screw into the dentine.