Patent
   D342007
Priority
Apr 16 1992
Filed
Apr 16 1992
Issued
Dec 07 1993
Expiry
Dec 07 2007
Assg.orig
Entity
unknown
2
6
n/a
The ornamental design for a drill bit sharpener, as shown and described.

FIG. 1 is a perspective view of a drill bit sharpener embodying my new design as seen from the front, right side;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

Anderson, Steven P.

Patent Priority Assignee Title
7507149, Mar 06 2007 Drill bit dresser
D486371, Oct 03 2002 Mountable edge de-burrer
Patent Priority Assignee Title
3698140,
3961450, Feb 10 1975 Twist drill sharpening apparatus
4016685, Apr 01 1974 The Black and Decker Manufacturing Company Sharpener for twist drills equipped with a chuck and drill bit locator
4142332, Oct 03 1977 Drill grinding fixture
D278205, Oct 21 1981 Ski sharpener
D309559, Oct 02 1987 MARS FISHCARE NORTH AMERICA, INC Drill bit sharpener
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 21 1996ANDERSON, STEVEN P STONE QUALITY TOOLSASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0094230183 pdf
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