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The ornamental design for a electric vacuum cleaner, as shown. |
FIG. 1 is a top, front and right side perspective view of an electric vacuum cleaner showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof;
Aobori, Tetsuro, Kimura, Shigetaka, Hasegawa, Kouichi, Sagawa, Kouichi, Watanabe, Syuji
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 10 1989 | KIMURA, SHIGETAKA | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005446 | /0667 | |
Jul 10 1989 | HASEGAWA, KOUICHI | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005446 | /0667 | |
Jul 10 1989 | AOBORI, TETSURO | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005446 | /0667 | |
Jul 10 1989 | SAGAWA, KOUICHI | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005446 | /0667 | |
Jul 10 1989 | WATANABE, SYUJI | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 005446 | /0667 | |
Aug 04 1989 | Hitachi, Ltd. | (assignment on the face of the patent) | / |
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Date | Maintenance Schedule |