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. 08, 2002
Filed:
Sep. 28, 1999
Applicant:
Inventor:
Raymond L. Bertoletti, Oakland, CA (US);
Assignee:
Danville Materials, San Ramon, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 5/04 ; A61C 3/00 ;
U.S. Cl.
CPC ...
A61C 5/04 ; A61C 3/00 ;
Abstract
The invention is an open-ended ring used in the preparation of a tooth for a restorative procedure. The ring is used in conjunction with a shield to secure the shield between a tooth to be restored and an adjacent tooth. The result is a close contact being formed between the two teeth after restoration.