Dental cleaning instrument

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Description

FIG. 1 is a perspective view showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in FIG. 7 define bounds of the claimed design and form no part of the clamed design.

Claims

The ornamental design for a dental cleaning instrument, as shown and described.

Referenced Cited
U.S. Patent Documents
D322314 December 10, 1991 Ohbayashi
5344317 September 6, 1994 Pacher et al.
D358883 May 30, 1995 Vos
5616028 April 1, 1997 Hafele et al.
D468422 January 7, 2003 McCurrach
7621687 November 24, 2009 Rehkemper et al.
7857623 December 28, 2010 Grez
8113832 February 14, 2012 Snyder et al.
Patent History
Patent number: D669978
Type: Grant
Filed: May 27, 2011
Date of Patent: Oct 30, 2012
Assignee: Koninklijke Philips Electronics N.V. (Eindhoven)
Inventors: Edouard Gebski (Amersfoort), Suzette Van Maanen (Utrecht), Lieven Adriaenssen (Vilvoorde)
Primary Examiner: Wan Laymon
Application Number: 29/392,882