Ridge expander drill

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Description

FIG. 1 is a first perspective view of an embodiment of a ridge expander drill according to my design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is an elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Claims

The ornamental design for a ridge expander drill, as shown and described.

Referenced Cited
U.S. Patent Documents
4433739 February 28, 1984 Sarin
D293798 January 19, 1988 Johnson
D319562 September 3, 1991 Ballard
D335071 April 27, 1993 Fine
D353756 December 27, 1994 Graves
D365113 December 12, 1995 Ronan
5813296 September 29, 1998 Hoff et al.
D415180 October 12, 1999 Rosanwo
6598500 July 29, 2003 Chivington
D493081 July 20, 2004 Chen
D507650 July 19, 2005 Teich
Patent History
Patent number: D597110
Type: Grant
Filed: Aug 13, 2008
Date of Patent: Jul 28, 2009
Assignee: Biotechnology Institute, I Mas D, S.L. (Vitoria)
Inventor: Eduardo Anitua Aldecoa (Vitoria)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Browdy and Neimark, P.L.L.C.
Application Number: 29/322,824
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)