Self locking trailer hitch

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Description

FIG. 1 is a perspective view showing the front, top and left side view of the self locking trailer hitch.

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

Claims

The ornamental design of a self locking trailer hitch, as shown and described.

Referenced Cited
U.S. Patent Documents
3888517 June 1975 Ray
D318038 July 9, 1991 Goettker
D320777 October 15, 1991 Goettker
D345954 April 12, 1994 Wallace et al.
D348642 July 12, 1994 Wallace et al.
D361541 August 22, 1995 Denny
6581952 June 24, 2003 MacKarvich
6595540 July 22, 2003 MacKarvich
6957826 October 25, 2005 MacKarvich
6971661 December 6, 2005 MacKarvich
7131658 November 7, 2006 MacKarvich
D540222 April 10, 2007 Goettker
D630974 January 18, 2011 MacKarvich
Patent History
Patent number: D672289
Type: Grant
Filed: Aug 8, 2011
Date of Patent: Dec 11, 2012
Inventor: Charles J. MacKarvich (Atlanta, GA)
Primary Examiner: Michael A Pratt
Attorney: Thomas/Horstemeyer, LLP
Application Number: 29/398,940
Classifications