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The ornamental design for an industrial vacuum cleaner, as shown and described. |
FIG. 1 is a perspective view of an industrial vacuum cleaner embodying our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top plan view of a second embodiment thereof;
FIG. 8 is a front elevational view thereof;
FIG. 9 is a side elevational view thereof;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a bottom plan view thereof;
FIG. 12 is a perspective view of a third embodiment thereof;
FIG. 13 is a top plan view thereof;
FIG. 14 is a front elevational view thereof;
FIG. 15 is a side elevational view thereof;
FIG. 16 is a rear elevational view thereof;
FIG. 17 is a bottom plan view thereof;
FIG. 18 is a top plan view of a fourth embodiment thereof;
FIG. 19 is a front elevational view thereof;
FIG. 20 is a side elevational view thereof;
FIG. 21 is a rear elevational view thereof;
FIG. 22 is a bottom plan view thereof;
FIG. 23 is a top plan view of a fifth embodiment thereof;
FIG. 24 is a front elevational view thereof;
FIG. 25 is a side elevational view thereof;
FIG. 26 is a rear elevational view thereof;
FIG. 27 is a bottom plan view thereof.
Brooks, Joseph F., Flanders, Vernon E.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 05 1976 | National Union Electric Corporation | (assignment on the face of the patent) | / | |||
Dec 11 1989 | National Union Electric Corporation | WHITE CONSOLIDATED INDUSTRIES, INC , A CORP OF DE | MERGER SEE DOCUMENT FOR DETAILS | 005270 | /0923 |
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