USD377974SExpiredUtility
Air purifier
Individually held — no corporate assignee on recordPriority: Feb 22, 1995Filed: Feb 22, 1995Granted: Feb 11, 1997
Est. expiryFeb 22, 2015(expired)· nominal 20-yr term from priority
Inventors:Robert E. Wasser
39
PatentIndex Score
7
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an air purifier, as shown.
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