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The ornamental design for a tree grate, as shown and described. |
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FIG. 1 is a top plan view of a tree grate showing my new design;
FIG. 2 is a side elevational view thereof, the side opposite being a mirror image thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a top plan of a second embodiment thereof;
FIG. 5 is a side elevational view thereof, the side opposite being a mirror image thereof; and
FIG. 6 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 26 1983 | MC KINLEY, DE WITT | MCKINLEY TREE GRATE CO , INC , A CORP OF TEXAS | ASSIGNMENT OF ASSIGNORS INTEREST | 004290 | 0583 | |
| Dec 29 1983 | McKinley Tree Grate Co., Inc. | (assignment on the face of the patent) |
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