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Patent
D754835
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Priority
Sep 05 2014
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Filed
Sep 22 2014
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Issued
Apr 26 2016
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Expiry
Apr 26 2030
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Assg.orig
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Entity
unknown
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32
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32
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n/a
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The ornamental design for a centrifugal fan, as shown and described.
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FIG. 1 is a front perspective view of a centrifugal fan;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a rear perspective view thereof.
The broken lines in the drawing disclosure depict interior parts of the centrifugal fan that form no part of the claimed design.
Uehara, Akimasa, Ousaka, Satoshi
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| Patent |
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Jul 22 1987 |
Broan-Nutone LLC; ELAN HOME SYSTEMS, L L C ; JENSEN INDUSTRIES, INC ; Linear LLC; MAMMOTH, INC ; MULTIPLEX TECHNOLOGY, INC ; NORDYNE INC ; NUTONE INC ; SPEAKERCRAFT, INC ; VENNAR VENTILATION, INC ; Xantech Corporation |
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Sep 06 2001 |
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Oct 08 2010 |
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Aug 10 2011 |
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Apr 26 2002 |
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Jul 17 2012 |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a