USD428484SExpiredUtility
Copper roof vent cover
Individually held — no corporate assignee on recordPriority: Aug 3, 1999Filed: Aug 3, 1999Granted: Jul 18, 2000
Est. expiryAug 3, 2019(expired)· nominal 20-yr term from priority
Inventors:Todd A. Zirk
50
PatentIndex Score
10
Cited by
14
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a copper roof vent cover, as shown.
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