Patent
   D399803
Priority
Mar 11 1997
Filed
Mar 11 1997
Issued
Oct 20 1998
Expiry
Oct 20 2012
Assg.orig
Entity
unknown
12
8
n/a
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.

Hilmen, Dale A.

Patent Priority Assignee Title
6213491, Aug 05 1997 Vehicle trailer having spare time adapter apparatus
6478325, Jan 22 2001 Wheel attachment for a trailer hitch
8042826, Mar 11 2010 Trailer hitch carriage assembly
D407358, Dec 23 1997 Wheel assembly for trailer
D414732, Dec 23 1997 Hitch assembly for trailer
D455105, Aug 20 2001 Adaptor for extending the length of trailer tongues
D476220, Jul 18 2002 CEQUENT PERFORMANCE PRODUCTS, INC Accessory bracket receiver bar
D484442, Feb 04 2002 Fifth wheel tow plate adaptor
D617255, Dec 03 2009 Control Solutions LLC Frame piece
D652775, Mar 16 2009 Trailer open receiver hitch step
D797011, Sep 28 2016 Trailer tongue extender
ER19,
Patent Priority Assignee Title
2877025,
3011800,
4793625, Nov 23 1987 Portable boat trailer
5108121, Feb 01 1989 Boat trailer extension arm
D354263, Aug 18 1993 Extendable trailer hitch
D365315, Jun 17 1994 Extendable boat trailer hitch
D372001, Apr 28 1995 Trailer tongue
D384316, Jan 11 1996 Push/pull tow bar hitch
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