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:
Mar. 31, 1981
Filed:
Nov. 30, 1978
Leopold P Lustig, Newton Centre, MA (US);
Brasseler, , DE;
Abstract
The hand tool is used as a cosmetic dental trimmer for restorative material of the composite resin type to remove any excess of such material to more perfectly contour the restorative material to match the natural contour of the original tooth surface. The tool includes an elongated handle connected by a tapering shank to the trimming (shaving) blade which has a hard metal layer, such as tunsten carbide, having the property that it will not discolor the composite resin material. The blade is preferably formed, in one embodiment, by a very slightly concaved face defining the blade along an arcuate (concave) edge thereof. Preferably, a pair of tools are used with oppositely arranged blades. Alternate embodiments include a tool having an excavator blade and one constructed as a composite shaver or shaper.