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The ornamental design for an attachment plug, as shown and described. |
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FIG. 1 is a front view of an attachment plug;
FIG. 2 is a rear view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 3 omitting internal structure;
FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 3 omitting internal structure;
FIG. 9 is a right side view thereof showing the earth terminal pin in the extended position; and,
FIG. 10 is a front and upper right perspective view thereof with the earth terminal pin in the extended position.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 20 1991 | OKAMOTO, ISAO | Nichido Kogyo Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 005981 | /0020 | |
| Jan 06 1992 | Nichido Kogyo Kabushiki Kaisha | (assignment on the face of the patent) | / |
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