USD496992SExpiredUtility

Air ventilation grill

89
Assignee: VENMAR VENTILATION INCPriority: May 31, 2001Filed: Nov 29, 2001Granted: Oct 5, 2004
Est. expiryMay 31, 2021(expired)· nominal 20-yr term from priority
Inventors:Sébastien Lafond
89
PatentIndex Score
47
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a air ventilation grill, as shown.

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