Boat trailer hitch extension adapter

Description

FIG. 1 is a front elevational view of a boat trailer hitch extension adapter showing my new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side view thereof mounted on a storage bracket attached to a boat trailer frame, said bracket and frame being partially shown in dotted lines.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D354263 January 10, 1995 Clark et al.
D365315 December 19, 1995 Parker, Jr.
D372001 July 23, 1996 Alford
D384316 September 30, 1997 Freeman, Jr.
2877025 March 1959 Jay
3011800 December 1961 Mitsuyasu
4793625 December 27, 1988 Gerber
5108121 April 28, 1992 Collis
Patent History
Patent number: D399803
Type: Grant
Filed: Mar 11, 1997
Date of Patent: Oct 20, 1998
Inventor: Dale A. Hilmen (San Diego, CA)
Primary Examiner: James Gandy
Assistant Examiner: Stacia Sinuik
Attorneys: Henri J. A. Charmasson, John D. Buchaca
Application Number: 0/67,548
Classifications
Current U.S. Class: Draw Element, E.g., Trailer Hitch (D12/162)
International Classification: 1216;