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The ornamental design for an ink trough, as shown. |
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FIG. 1 is a perspective view taken from above and one side of an ink trough showing my new design;
FIG. 2 is a front elevation thereof;
FIG. 3 is a right side elevation thereof;
FIG. 4 is a left side elevation thereof;
FIG. 5 is a rear elevation thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 3691639, | |||
| 4197656, | Sep 27 1978 | FARR, THOMAS G | Chalk line dispenser |
| GB180112, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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| Date | Maintenance Schedule |