Dental instrument

- 3D Diagnostic Imaging plc

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FIG. 1 is a perspective view of the dental instrument.

FIG. 2 is a first side view thereof.

FIG. 3 is a second side view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof.

The broken lines immediately adjacent the shaded area represent the bounds while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.


We claim the ornamental design for a dental instrument, as shown and described.

Referenced Cited
U.S. Patent Documents
1465690 August 1923 Smith
2135933 November 1938 Blair
3552021 January 1971 Graceffo et al.
D378412 March 11, 1997 Badoz et al.
D389912 January 27, 1998 Emerson et al.
D459809 July 2, 2002 Mangione
D551765 September 25, 2007 Berry Pitts et al.
D551994 October 2, 2007 Ahsen-Bore
D574081 July 29, 2008 Berry Pitts et al.
Patent History
Patent number: D670387
Type: Grant
Filed: Oct 22, 2010
Date of Patent: Nov 6, 2012
Assignee: 3D Diagnostic Imaging plc
Inventors: Alasdair M. Christie (Dundee), Graham Lay (Isle of Man)
Primary Examiner: Wan Laymon
Attorney: Andrus, Sceales, Starke & Sawall, LLP
Application Number: 29/377,600
Current U.S. Class: Dental (33) (D24/152)