Dental bur wrench tool

- Syntex (U.S.A.) Inc.
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Description

FIG. 1 is a perspective view of a bur wrench tool showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror-image of the left side view;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a cross-section taken on line 7--7 of FIG. 4.

Referenced Cited
U.S. Patent Documents
D239942 May 1976 Junkel
D246112 October 18, 1977 Biggs
3439422 April 1969 Doeden et al.
3893242 July 1975 Lieb et al.
4033040 July 5, 1977 Bareth et al.
Patent History
Patent number: D259362
Type: Grant
Filed: Sep 29, 1978
Date of Patent: May 26, 1981
Assignee: Syntex (U.S.A.) Inc. (Palo Alto, CA)
Inventor: Richard P. Lewis (Springfield, PA)
Primary Examiner: Bernard Ansher
Attorneys: John A. Dhuey, Joseph I. Hirsch
Application Number: 5/947,216
Classifications
Current U.S. Class: D24/10; D 8/51
International Classification: D2402;