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:
May. 31, 1977
Filed:
Nov. 26, 1975
Robert Leon Fisher, New York, NY (US);
Other;
Abstract
An improved closed flap spring for orthodontic appliances used in orthodontic treatment of a patient, including a wire fashioned in the shape of a T, having a vertical portion and a horizontal portion, the vertical portion having a pair of spaced tag portions at its lower end for processing or attaching to the orthodontic appliance, a pair of spaced parallel arm portions as extensions of the tag portions forming the upper end of the vertical portion of the T, a pair of rounded loop portions, one of the loop portions extending generally horizontally outward from one of the arm portions in one direction and the other loop portion extending generally horizontally outward from the other arm portion in the opposite direction, and a bridge portion interconnecting the loop portions, the loop portions and bridge portion forming the horizontal portion of the T, which horizontal portion is free to engage and control the directional movement of a tooth.