Patent
   D412819
Priority
Sep 25 1998
Filed
Sep 25 1998
Issued
Aug 17 1999
Expiry
Aug 17 2013
Assg.orig
Entity
unknown
10
5
n/a
The ornamental design for an open end wrench head, as shown and described.

FIG. 1 is a front elevational view of an open end wrench head showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The rear of the open end wrench head forms no part of the claimed design.

Macor, Richard J.

Patent Priority Assignee Title
6267028, Dec 09 1998 PROPRIETARY TECHNOLOGIES, INC Wrench with pinch-locking engaging surfaces
D437536, Feb 08 1999 PROPRIETARY TECHNOLOGIES, INC Unidirectional, high torque open end wrench head
D523304, Dec 29 2004 Spanner with an open end and a closed end
D552438, Jul 05 2006 Proxene Tools Co., Ltd Spanner
D553457, Jun 27 2006 Spanner
D713225, Oct 24 2013 Wrench
D743763, Jun 24 2014 KABO TOOL COMPANY Open-ended wrench head
D749385, Aug 13 2014 GREAT STAR TOOLS USA, INC Open end of a wrench head
D828129, Jul 03 2017 Wrench
D834902, Jul 03 2017 Wrench
Patent Priority Assignee Title
2652735,
3762244,
5148726, Oct 16 1989 Snap-On Incorporated One-piece, open-end wrenching head with roughened jaws
5323672, Nov 25 1992 Locking assembly for maintaining a box wrench engaged with a bolthead
5381710, Feb 15 1991 DAVID BAKER, INC Wrench with inclined drive faces
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 25 1998Proprietary Technologies, Inc.(assignment on the face of the patent)
Jun 18 1999MACOR, RICHARD J PROPRIETARY TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0100400138 pdf
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