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. 12, 1991
Filed:
Jan. 27, 1987
Applicant:
Inventor:
Kozo Kawaguchi, Futaba, JP;
Assignee:
Tomy, Inc., Ohkuma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433-3 ; 433-8 ;
Abstract
An orthodontic device comprises a bracket formed of a sintered polycrystal of alumina exhibiting light transmittance of 70 to 80% and an auxilliary bonding member formed of a soft, transparent or translucent, thin, synthetic resin plate having a mounting aperture formed therein for mounting the bracket therein and a plurality of graduations drawn thereon for indicating the depth from a reference point on the free end of a tooth being subjected to orthodontic treatment to the center of the bracket.