Centrifugal blower fan
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Description
Claims
We claim the ornamental design for a centrifugal blower fan, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
2932445 | April 1960 | Hathaway |
D234203 | January 1975 | Wrobel |
6042335 | March 28, 2000 | Amr |
D453827 | February 19, 2002 | Kuo et al. |
D463021 | September 17, 2002 | Huang et al. |
D486568 | February 10, 2004 | Chen et al. |
6884033 | April 26, 2005 | Liao |
D539408 | March 27, 2007 | Wu et al. |
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D 1244316 | June 2005 | JP |
Patent History
Patent number: D561324
Type: Grant
Filed: Jun 15, 2007
Date of Patent: Feb 5, 2008
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventors: Seiji Shirahama (Kasugai), Hitoshi Yoshikawa (Kasugai)
Primary Examiner: Lisa Lichtenstein
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/288,565
Type: Grant
Filed: Jun 15, 2007
Date of Patent: Feb 5, 2008
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventors: Seiji Shirahama (Kasugai), Hitoshi Yoshikawa (Kasugai)
Primary Examiner: Lisa Lichtenstein
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/288,565
Classifications
Current U.S. Class:
Fan Or Ventilator (D23/370)