Centrifugal electric fan with a fan wheel contained in a spiral housing, equipped with one lateral grid

- SPAL S.r.L.
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Description

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.

Claims

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.

Referenced Cited
U.S. Patent Documents
5314300 May 24, 1994 Gatley, Jr. et al.
5743721 April 28, 1998 Graham et al.
5997246 December 7, 1999 Humbad
Patent History
Patent number: D443054
Type: Grant
Filed: May 31, 2000
Date of Patent: May 29, 2001
Assignee: SPAL S.r.L. (Correggio)
Inventor: Alessandro Spaggiari (Correggio)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: Browdy and Neimark
Application Number: 29/124,091
Classifications
Current U.S. Class: Fan Or Ventilator (D23/370)
International Classification: 2304;