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The ornamental design for a centrifugal electric fan with a fan wheel contained in a spiral housing, equipped with one lateral grid, as shown and described. |
FIG. 1 is a bottom plan view of a centrifugal electric fan with a fan wheel containing a spiral housing, equipped with one lateral grid showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a side elevational view from right thereof;
FIG. 5 is a side elevational view from left thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a perspective view from right hand side thereof, on a reduced scale; and,
FIG. 8 is a perspective view from left hand side thereof, on a reduced scale.
The broken line showing of environmental structure in FIGS. 1, 3 and 8 is for illustrative purposes only and forms no part of the claimed design.
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May 04 2000 | SPAGGIARI, ALESSANDRO | SPAL S R L | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010970 | /0244 | |
May 31 2000 | Spal S.R.L. | (assignment on the face of the patent) | / |
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