Dental matrix band


FIG. 1 is a top plan view of the dental matrix band, showing the new design;

FIG. 2 is a side elevation of one side thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a side elevation of the other side thereof.

Referenced Cited
U.S. Patent Documents
D230360 February 1974 Martin et al.
2749616 June 1956 Curry
2790238 April 1957 Trangmar
3262208 July 1966 Johnson, Jr.
3842505 October 1974 Eames
3854210 December 1974 Franklin et al.
Patent History
Patent number: D253191
Type: Grant
Filed: Oct 31, 1977
Date of Patent: Oct 16, 1979
Assignee: Marvin M. Stark Research Foundation (Santa Clara, CA)
Inventors: Marvin M. Stark (Los Altos Hills, CA), Hans C. VON Weissenfluh (Gentilino)
Primary Examiner: Bernard Ansher
Attorney: Marcus Lothrop
Application Number: 5/847,306
Current U.S. Class: D24/10; 32/63
International Classification: D2402;