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Publication numberUSD293650 S
Publication typeGrant
Application numberUS 06/722,734
Publication dateJan 12, 1988
Filing dateApr 12, 1985
Publication number06722734, 722734, US D293650 S, US D293650S, US-S-D293650, USD293650 S, USD293650S
InventorsRichard W. Donalies, Wilma A. Donalies
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Trailer hitch locking device
US D293650 S
Abstract  available in
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  1. The ornamental design for a trailer hitch locking device, as shown and described.

FIG. 1 is a perspective view of a trailer hitch locking device showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a side elevation view thereof opposite to that shown in FIG. 2;

FIG. 8 is a side elevation view thereof similar to that of FIG. 2 but with additional locking elements including a locking bar, spring cotter pin and a padlock all of which are depicted in broken lines for illustrative purposes only and form no part of the design claimed;

FIG. 9 is a front elevation view of FIG. 8.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8152194Feb 4, 2010Apr 10, 2012Larry LandgrafUtility trailer security device
U.S. ClassificationD08/343