Drill bit for screw

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Description

FIG. 1 is a perspective view of a drill bit for screw showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of the drill bit for screw with the screw shown in an alternate condition of use.

The features shown in broken lines depict environmental subject matter only and form no part of the claimed design.

The break-lines of FIGS. 1 to 6 showing of a partial screw are illustrated in an extended position only and form no part of the claimed design.

Claims

The ornamental design for a drill bit for screw, as shown and described.

Referenced Cited
U.S. Patent Documents
D273391 April 10, 1984 Lassiter
D531651 November 7, 2006 Yanagimoto
D615839 May 18, 2010 Richter et al.
D669923 October 30, 2012 Watson et al.
20060285935 December 21, 2006 Lin
20100158626 June 24, 2010 Nakahata et al.
Patent History
Patent number: D690335
Type: Grant
Filed: Jun 28, 2012
Date of Patent: Sep 24, 2013
Inventor: Yuan-Chi Li (Hemei Township, Changhua County)
Primary Examiner: Patricia Palasik
Application Number: 29/425,874
Classifications