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Axial fan with double impellers rotating in mutually opposite directions

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Assignee: SANYO ELECTRIC COPriority: Apr 18, 2007Filed: Oct 17, 2007Granted: Oct 13, 2009
Est. expiryApr 18, 2027(~0.8 yrs left)· nominal 20-yr term from priority
Inventors:Toshiya NishizawaYasuhiro MaruyamaHayato Murayama
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PatentIndex Score
12
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13
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an axial fan with double impellers rotating in mutually opposite directions, as shown and described.

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