USD397799SExpiredUtility

Vertical windtunnel

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Assignee: SKY VENTURE INCPriority: Feb 21, 1997Filed: Feb 21, 1997Granted: Sep 1, 1998
Est. expiryFeb 21, 2017(expired)· nominal 20-yr term from priority
Inventors:William J. Kitchen
44
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vertical windtunnel, as shown and described.

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