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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.
Donalies, Richard W., Donalies, Wilma A.
Patent | Priority | Assignee | Title |
8152194, | Feb 04 2010 | Utility trailer security device |
Patent | Priority | Assignee | Title |
2995025, | |||
4581908, | Jul 05 1984 | Trailer hitch lock |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 10 1985 | DONALIES, RICHARD W | MIDWEST MARINE DEVELOPMENT CORPORATION A CORP OF ILLINOIS | ASSIGNMENT OF ASSIGNORS INTEREST | 004397 | /0474 | |
Apr 10 1985 | DONALIES, WILMA ANN | MIDWEST MARINE DEVELOPMENT CORPORATION A CORP OF ILLINOIS | ASSIGNMENT OF ASSIGNORS INTEREST | 004397 | /0474 | |
Oct 13 1986 | MIDWEST MARINE DEVELOPMENT CORPORATION, A CORP OF IL | DONALIES, RICHARD W | ASSIGNMENT OF ASSIGNORS INTEREST | 004616 | /0485 | |
Oct 13 1986 | MIDWEST MARINE DEVELOPMENT CORPORATION, A CORP OF IL | DONALIES, WILMA A | ASSIGNMENT OF ASSIGNORS INTEREST | 004616 | /0485 |
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