Patent
   D474388
Priority
Apr 12 2002
Filed
Apr 12 2002
Issued
May 13 2003
Expiry
May 13 2017
Assg.orig
Entity
unknown
7
8
n/a
The ornamental design for a screwdriver bit, as shown and described.

FIG. 1 is a front-right-top perspective view of a screwdriver bit, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side view being a mirror image thereof;

FIG. 5 is a top plan view thereof, the bottom plan view being a mirror image thereof;

FIG. 6 is a front-right perspective view of a screwdriver bit, showing my new design; and,

FIG. 7 is a perspective view of the screwdriver bit, wherein the broken lines showing of the screwdriver is for illustrative purposes only and forms no part of the claimed design.

Wu, Kun-Tse, Huang, Ching-Yang

Patent Priority Assignee Title
D576009, Dec 29 2006 Screwdriver bit
D624382, Dec 29 2008 Screwdriver head
D645329, Jan 26 2011 Tool bit
D821842, May 16 2017 Tool bit
D845737, Oct 20 2017 Tip for drill
D924351, Jan 09 2017 TOG-IP LLC Arrowhead
D983003, Dec 24 2017 IPP industries Sàrl Screw driver bit
Patent Priority Assignee Title
6164171, Mar 13 1998 Max Co., Ltd. Screwdriver used for screw tightener and screw suitably tightened by the screwdriver
6367358, Oct 31 1997 Phillips Screw Company Driver for threaded fasteners with spiral drive
6397710, Sep 22 1999 David Baker Inc. Screwdriver with slotted blades
D311483, Nov 14 1986 Helen P., Espin Screw driver bit
D312034, Nov 14 1986 Helen P., Espin Screw driver bit
D410372, Mar 02 1998 WERA WERK HERMANN WERNER GMBH & CO Screwdriver bit
D431768, Nov 29 1999 Frederick G., Feik Phillips screw head for stripped screws
D455627, Jan 03 2001 Screwdriver head
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