Combined abrasive dental instrument and cap for removing discolorations on teeth

Description

FIG. 1 is an exploded top perspective view of a combined abrasive dental instrument and cap for removing discolorations on teeth showing my new design;

FIG. 2 is an exploded left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D3810 January 1870 Bartholomew
104831 June 1870 Bates
D149356 April 1948 Jalof
D208282 August 1967 Speers
689940 December 1901 Williams
1547086 July 1925 Uranga
3409928 November 1968 Thurman
Patent History
Patent number: D323891
Type: Grant
Filed: May 11, 1990
Date of Patent: Feb 11, 1992
Assignee: Seth Neuman (Stockholm)
Inventor: Stefan Arkel (Stockholm)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Nies, Kurz, Bergert & Tamburro
Application Number: 7/521,935