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Patent
D661963
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Priority
Nov 18 2011
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Filed
Nov 18 2011
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Issued
Jun 19 2012
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Expiry
Jun 19 2026
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Assg.orig
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Entity
unknown
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1
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10
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n/a
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The ornamental design for a screwdriver head, as shown and described.
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FIG. 1 is a perspective view of a screwdriver head showing my new design;
FIG. 2 is a front side elevational view, the rear side view being a mirror image thereof;
FIG. 3 is a left side elevational view, the right side view being a mirror image thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is an enlarged screwdriver head of FIG. 2.
Huang, Chiu-Tien
Patent |
Priority |
Assignee |
Title |
173356, |
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1745310, |
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2089121, |
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2161095, |
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3578046, |
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20090145270, |
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20090229429, |
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D243506, |
Nov 03 1975 |
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Skate board adjustment tool |
D319171, |
Sep 26 1988 |
Credo Tool Company |
Notched cup hook driver |
D575615, |
Nov 21 2007 |
SUMITOMO ELECTRIC WIRING SYSTEMS, INC |
Wiring harness tooling device |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
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Maintenance Schedule |
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