Patent
   D453289
Priority
Mar 12 2001
Filed
Mar 12 2001
Issued
Feb 05 2002
Expiry
Feb 05 2016
Assg.orig
Entity
unknown
11
7
n/a
The ornamental design for a screwdriver bit head, as shown and described.

FIG. 1 is a fragmentary perspective view of a screwdriver bit head showing my new design;

FIG. 2 is a fragmentary side elevation of the screwdriver bit head as viewed from the right in FIG. 1, the opposite side elevation being a mirror image thereof;

FIG. 3 is a fragmentary side elevation of the screwdriver bit head as viewed from the right in FIG. 2, the opposite side elevation being a mirror image thereof;

FIG. 4 is a top plan view of the screwdriver bit head as viewed from the top in FIG. 2; and,

FIG. 5 is a bottom plan view of the screwdriver bit head as viewed from the bottom in FIG. 3.

Campbell, Sidney R.

Patent Priority Assignee Title
11192221, Oct 04 2018 DISH Network L.L.C. Curved-tip screwdriver and screwdriver bit
8621961, Apr 28 2009 Milwaukee Electric Tool Corporation Multi-purpose tool
D624382, Dec 29 2008 Screwdriver head
D659501, Dec 24 2011 Screwdriver bit
D659502, Dec 24 2011 Screwdriver bit
D743234, Sep 20 2013 ECM Industries, LLC; King Technology of Missouri, LLC; The Patent Store, LLC Pocket field tool bit
D754513, Feb 05 2010 Milwaukee Electric Tool Corporation Screwdriver head
D803023, Apr 07 2016 Tool tip
D826679, Apr 07 2016 Tool tip
D897827, Oct 04 2018 DISH Network L.L.C. Fastener head
D914476, Oct 04 2018 DISH Network L.L.C. Driving bit head for manual and powered screwdrivers
Patent Priority Assignee Title
3891017,
3985170, Aug 17 1974 Screwdriver
6164171, Mar 13 1998 Max Co., Ltd. Screwdriver used for screw tightener and screw suitably tightened by the screwdriver
6176161, Oct 28 1999 Damaged screw removing screwdriver
6223634, Oct 03 1997 Phillips Screw Company Recessed head fastener and driver systems
D311483, Nov 14 1986 Helen P., Espin Screw driver bit
D431768, Nov 29 1999 Frederick G., Feik Phillips screw head for stripped screws
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