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Publication numberUSD312034 S
Publication typeGrant
Application numberUS 06/930,873
Publication dateNov 13, 1990
Filing dateNov 14, 1986
Publication number06930873, 930873, US D312034 S, US D312034S, US-S-D312034, USD312034 S, USD312034S
InventorsMario W. Espin
Original AssigneeHelen P. Espin
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Screw driver bit
US D312034 S
Abstract  available in
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  1. The ornamental design for a screw driver bit, as shown and described.

FIG. 1 is a top, front and one side perspective view of the screw driver bit showing my new design, the opposite side being identical to the one shown;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof.

U.S. ClassificationD08/86, D15/139, D08/70