Centrifugal fan

Details Centrifugal fan Centrifugal fan

2010-02-10

2010-10-12

Lichtenstein, Lisa P (Department: 2917)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0625402

CLAIM:
We claim the ornamental design for a centrifugal fan, as shown and described.

REFERENCES:
patent: 6540476 (2003-04-01), Huang et al.
patent: D530006 (2006-10-01), Li et al.
patent: D539408 (2007-03-01), Wu et al.
patent: 05-312191 (1993-11-01), None

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