USD392377SExpiredUtility
Air cleaning system unit
Individually held — no corporate assignee on recordPriority: Feb 26, 1997Filed: Feb 26, 1997Granted: Mar 17, 1998
Est. expiryFeb 26, 2017(expired)· nominal 20-yr term from priority
Inventors:Charles Hicks
14
PatentIndex Score
0
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an air cleaning system unit, as shown and described.
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