USD487310SExpiredUtility

Fan casing with air flow rib structure

65
Assignee: DATECH TECHNOLOGY CO LTDPriority: Jun 18, 2003Filed: Jun 18, 2003Granted: Mar 2, 2004
Est. expiryJun 18, 2023(expired)· nominal 20-yr term from priority
Inventors:Nien-Lun LiFu-Yin WangYu-Hsun Chou
65
PatentIndex Score
16
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a fan casing with air flow rib structure, as shown and described.

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