Apparatus for sharpening dental instruments

Description

FIG. 1 is a top plan view of an apparatus for sharpening dental instruments, showing the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a perspective view, showing the arcuate arm and head in an alternate position;

FIG. 9 is a perspective view, showing the arcuate arm and head in a second alternate position; and,

FIG. 10 is a perspective view, showing the arcuate arm and head in a third alternate position.

Referenced Cited
U.S. Patent Documents
D307471 April 24, 1990 Moore
2287910 June 1942 Slack
2578081 December 1951 Miller et al.
4509268 April 9, 1985 Marquam et al.
4821462 April 18, 1989 Moore
Patent History
Patent number: D432385
Type: Grant
Filed: Dec 4, 1998
Date of Patent: Oct 24, 2000
Assignee: Hawe Neos Dental Dr. H.v. Weissenfluh AG (Boggio)
Inventors: Francesco Milani (Guibiasco), Britta Pukall (Kusnacht)
Primary Examiner: Philip S. Hyder
Law Firm: Young & Thompson
Application Number: 0/97,359
Classifications
Current U.S. Class: D 8/91
International Classification: 0805;