Trailer hitch alignment device
Description
The broken lines in
Claims
The ornamental design for a trailer hitch alignment device, as shown and described.
Referenced Cited
U.S. Patent Documents
973976 | October 1910 | Ruff |
4781394 | November 1, 1988 | Schwarz et al. |
4854604 | August 8, 1989 | Stallsworth |
5080386 | January 14, 1992 | Lazar |
5330196 | July 19, 1994 | Ricles |
D369996 | May 21, 1996 | Wylie |
6199892 | March 13, 2001 | Dahl |
D486763 | February 17, 2004 | Nunez |
7004488 | February 28, 2006 | Reiter et al. |
D528949 | September 26, 2006 | Tirey |
D612775 | March 30, 2010 | Davis |
D636710 | April 26, 2011 | Story |
Patent History
Patent number: D688170
Type: Grant
Filed: Apr 25, 2012
Date of Patent: Aug 20, 2013
Inventor: Stephen Neil Woolever (Auburn, GA)
Primary Examiner: Katrina A Betton
Application Number: 29/419,069
Type: Grant
Filed: Apr 25, 2012
Date of Patent: Aug 20, 2013
Inventor: Stephen Neil Woolever (Auburn, GA)
Primary Examiner: Katrina A Betton
Application Number: 29/419,069
Classifications
Current U.S. Class:
Draw Element, E.g., Trailer Hitch (D12/162)