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Publication numberUSD399803 S
Publication typeGrant
Application numberUS 29/067,548
Publication dateOct 20, 1998
Filing dateMar 11, 1997
Publication number067548, 29067548, US D399803 S, US D399803S, US-S-D399803, USD399803 S, USD399803S
InventorsDale A. Hilmen
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Boat trailer hitch extension adapter
US D399803 S
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  1. The ornamental design for a boat trailer hitch extension adapter, as shown and described.

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 by
Citing PatentFiling datePublication dateApplicantTitle
US6213491 *Aug 5, 1997Apr 10, 2001James H. Southard, Jr.Vehicle trailer having spare time adapter apparatus
US6478325Jan 22, 2001Nov 12, 2002Edward G. KnauffWheel attachment for a trailer hitch
US8042826Mar 11, 2010Oct 25, 2011Ramsdell Donald LTrailer hitch carriage assembly
U.S. ClassificationD12/162