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Publication numberUSD307020 S
Publication typeGrant
Application numberUS 07/035,722
Publication dateApr 3, 1990
Filing dateApr 8, 1987
Publication number035722, 07035722, US D307020 S, US D307020S, US-S-D307020, USD307020 S, USD307020S
InventorsBjorn Lyng, Hans Tronstad
Original AssigneeLyng Drilling Products A-S
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Drill bit
US D307020 S
Abstract  available in
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  1. The ornamental design for a drill bit, as shown and described.

FIG. 1 is a side elevational view of a drill bit showing our new design;

FIG. 2 is a side elevation view thereof turned 90 with respect to FIG. 1;

FIG. 3 is an end elevational view thereof; and

FIG. 4 is an elevational view thereof showing the end opposite that in FIG. 3.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6497615 *Mar 22, 2002Dec 24, 2002Gene KlagerFish scaling tool
U.S. ClassificationD15/21, D15/139