USD539408SExpiredUtility
Centrifugal fan
Est. expiryMay 23, 2025(expired)· nominal 20-yr term from priority
67
PatentIndex Score
16
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a centrifugal fan, as shown and described herein.Join the waitlist — get patent alerts
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