Patent
   D312034
Priority
Nov 14 1986
Filed
Nov 14 1986
Issued
Nov 13 1990
Expiry
Nov 13 2004
Assg.orig
Entity
unknown
13
10
n/a
The ornamental design for a screw driver bit, as shown and described.

FIG. 1 is a top, front and one side perspective view of the screw driver bit showing my new design, the opposite side being identical to the one shown;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof.

Espin, Mario W.

Patent Priority Assignee Title
11192221, Oct 04 2018 DISH Network L.L.C. Curved-tip screwdriver and screwdriver bit
D371947, Sep 19 1994 EBI, LLC Screwdriver shaft
D405672, Mar 21 1997 Screwdriver bit with combination Phillips and blade tip
D431768, Nov 29 1999 Frederick G., Feik Phillips screw head for stripped screws
D455627, Jan 03 2001 Screwdriver head
D474388, Apr 12 2002 Screwdriver bit
D549568, Sep 19 2005 Lug nut
D653516, Dec 08 2009 Hon Hai Precision Industry Co., Ltd. Screwdriver
D664019, Dec 08 2009 Hon Hai Precision Industry Co., Ltd. Screwdriver
D897806, Apr 30 2018 Driver
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
D983003, Dec 24 2017 IPP industries Sàrl Screw driver bit
Patent Priority Assignee Title
2550635,
2673359,
2815054,
3122963,
3363500,
3913647,
539155,
FR747810,
GB1277117,
SE84698,
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 07 1986ESPIN, MARIO W ESPIN, HELEN P ASSIGNMENT OF 1 2 OF ASSIGNORS INTEREST0046280325 pdf
Nov 14 1986Helen P., Espin(assignment on the face of the patent)
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