USD327540SExpiredUtility
Exhaust collar for a wood burning unit
Individually held — no corporate assignee on recordPriority: Nov 19, 1990Filed: Nov 19, 1990Granted: Jun 30, 1992
Est. expiryNov 19, 2010(expired)· nominal 20-yr term from priority
Inventors:Steven J. Vogelzang
41
PatentIndex Score
5
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an exhaust collar for a wood burning unit, as shown and described.
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