Patent
   D443054
Priority
Jan 27 2000
Filed
May 31 2000
Issued
May 29 2001
Expiry
May 29 2015
Assg.orig
Entity
unknown
9
3
n/a
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.

Spaggiari, Alessandro

Patent Priority Assignee Title
6655926, Aug 14 2001 Portable blower
7001149, Mar 04 2004 Beckett Air Incorporated Blower housing assembly with mounting tabs
8075257, Jul 30 2008 Compal Electronics, Inc. Fan assembly
D632770, Jun 13 2008 KOHLER CO Cyclonic air cleaner housing
D693916, Jan 27 2011 Micronel AG Blower for medical and industrial applications
D695386, Jan 27 2011 Micronel AG Blower for medical and industrial applications
D754835, Sep 05 2014 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO , LTD Centrifugal fan
D938571, Feb 04 2019 Mitsubishi Electric Corporation Casing for blower
D944964, Jun 22 2020 Air blower
Patent Priority Assignee Title
5314300, Jan 13 1992 Fasco Industries, Inc. Noise control device for centrifugal blower
5743721, Apr 30 1996 Valeo Climate Control Corp Blower assembly having integral air flow cooling duct
5997246, Apr 02 1998 Visteon Global Technologies, Inc Housing for a centrifugal blower
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May 04 2000SPAGGIARI, ALESSANDROSPAL S R L ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0109700244 pdf
May 31 2000Spal S.R.L.(assignment on the face of the patent)
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