Patent
   D277888
Priority
Sep 21 1981
Filed
Mar 19 1982
Issued
Mar 05 1985
Expiry
Mar 05 1999
Assg.orig
Entity
unknown
0
5
n/a
The ornamental design for a matrix band retainer, as shown.

FIG. 1 is a front elevation of a matrix band retainer showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a side elevation as seen from the right;

FIG. 4 is an elevation as seen from the side opposite FIG. 3;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view.

Ericson, Dan W.

Patent Priority Assignee Title
Patent Priority Assignee Title
3411214,
3854210,
3921299,
230360,
D253191, Oct 31 1977 Marvin M. Stark Research Foundation Dental matrix band
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