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:
Feb. 10, 1981
Filed:
Nov. 09, 1979
Applicant:
Inventor:
Lawrence F Andrews, La Jolla, CA (US);
Assignee:
'A'-Company, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433 21 ;
Abstract
An orthodontic rotation spring, geometrically shaped as a 'U' or an 'S', that terminates at one end in a tube for the passage and retention of a tie wire, and at the other end with a curved surface. The entire spring is dimensioned for compression between an arch wire attached to an orthodontic bracket and a tooth band. A force vector results which acts to rotate the tooth about its axis.