USD443054SExpiredUtility

Centrifugal electric fan with a fan wheel contained in a spiral housing, equipped with one lateral grid

63
Assignee: SPAL SRLPriority: Jan 27, 2000Filed: May 31, 2000Granted: May 29, 2001
Est. expiryJan 27, 2020(expired)· nominal 20-yr term from priority
Inventors:Alessandro Spaggiari
F04D 29/703B60H 1/00471
63
PatentIndex Score
12
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a centrifugal electric fan with a fan wheel contained in a spiral housing, equipped with one lateral grid, as shown and described.

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