Dental instrument

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Description

FIG. 1 is a front top perspective view of a dental instrument.

FIG. 2 is a top view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a left side view thereof.

FIG. 7 is a right side view thereof.

FIG. 8 is a front top perspective view of the dental instrument, the shaded teeth being shown removed from the dental instrument.

FIG. 9 is a top view thereof.

FIG. 10 is a rear view thereof.

FIG. 11 is a front view thereof.

FIG. 12 is a bottom view thereof.

FIG. 13 is a left side view thereof.

FIG. 14 is a right side view thereof.

FIG. 15 is a top side perspective view of the dental instrument, the support member being shown removed from the dental instrument.

FIG. 16 is a top view thereof.

FIG. 17 is a bottom view thereof.

FIG. 18 is a front view thereof.

FIG. 19 is a rear view thereof.

FIG. 20 is a right side view thereof; and,

FIG. 21 is a left side view thereof.

The broken lines showing portions of a dental instrument are included for the purpose of illustrating environmental structure and form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
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D115948 August 1939 Barnes
2789353 April 1957 Biggs
3378925 April 1968 Faller
3436156 April 1969 Hans et al.
D224709 September 1972 Coolidge et al.
3718972 March 1973 Fox et al.
D232940 September 1974 Atkinson
D258118 February 3, 1981 Porteous
D302467 July 25, 1989 Holewinski
4919617 April 24, 1990 Antons et al.
5149267 September 22, 1992 Longhini et al.
5257931 November 2, 1993 Pozzi
D372081 July 23, 1996 Kramer et al.
D374288 October 1, 1996 Dequeker
D380549 July 1, 1997 Pate
D413674 September 7, 1999 Lindsay
D425988 May 30, 2000 Frank
6315554 November 13, 2001 Coste et al.
D460187 July 9, 2002 Brown
20090233253 September 17, 2009 Mrazek
Other references
  • VITA Linearguide 3D-Master, copyright 2005-2011. 3 pages, [on line], [retrieved on Sep. 26, 2011]. Retrieved from Internet, <URL: http://www.dentalcompar.com/Featured-Articles/2189-VITA-Linearguide-3D-Master.
Patent History
Patent number: D664662
Type: Grant
Filed: Apr 20, 2009
Date of Patent: Jul 31, 2012
Assignee: VITA Zahnfabrik H. Rauter GmbH & Co. KG (Bad Säckingen)
Inventor: Wolfgang Meyer-Hayoz (Winterthur)
Primary Examiner: Wan Laymon
Attorney: Miles & Stockbridge P.C.
Application Number: 29/311,546
Classifications