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The ornamental design for a vacuum cleaner, as shown and described. |
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FIG. 1 is a perspective view of the vacuum cleaner showing our new design;
FIG. 2 is a perspective view of the vacuum cleaner with the dust box removed;
FIG. 3 is a plan top view thereof;
FIG. 4 is a plan bottom view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a front elevational view thereof; and
FIG. 8 is a rear elevational view thereof.
Tsukada, Akira, Yamamoto, Sachio, Ayukawa, Isao
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 21 1981 | AYUKAWA, ISAO | SHARP KABUSHIKI KAISHA, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 003939 | /0915 | |
| Jul 21 1981 | YAMAMOTO, SACHIO | SHARP KABUSHIKI KAISHA, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 003939 | /0915 | |
| Jul 21 1981 | TSUKADA, AKIRA | SHARP KABUSHIKI KAISHA, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 003939 | /0915 | |
| Jul 27 1981 | Sharp Corporation | (assignment on the face of the patent) | / |
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