USD259208SExpiredUtility
Roof vent
Individually held — no corporate assignee on recordPriority: Apr 23, 1979Filed: Apr 23, 1979Granted: May 12, 1981
Est. expiryApr 23, 1999(expired)· nominal 20-yr term from priority
Inventors:John Richard Mccullough
84
PatentIndex Score
17
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a roof vent, as shown.
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