Four-way coupling

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Description

FIG. 1 is an isometric view of a four-way coupling showing my new design;

FIG. 2 is a top plan view thereof with the bottom being identical; and,

FIG. 3 is a side elevantional view thereof.

Claims

The ornamental design for a four-way coupling, as shown and described.

Referenced Cited
U.S. Patent Documents
D277934 March 12, 1985 Beckrot
D297303 August 23, 1988 Finklestein
D563213 March 4, 2008 Sato et al.
D617174 June 8, 2010 Schaefer et al.
D621249 August 10, 2010 Heindl
Patent History
Patent number: D632163
Type: Grant
Filed: Mar 17, 2010
Date of Patent: Feb 8, 2011
Assignee: Greenland Composites, Inc. (Fayetteville, AR)
Inventor: Burt Hanna (Fayetteville, AR)
Primary Examiner: Holly H Baynham
Assistant Examiner: Sheryl Lane
Attorney: Keisling & Pieper PLC
Application Number: 29/349,221
Classifications
Current U.S. Class: D8/382