USD383202SExpiredUtility

Portable room air purifier

Assignee: HONEYWELL INCPriority: Dec 24, 1992Filed: Dec 24, 1992Granted: Sep 2, 1997
Est. expiryDec 24, 2012(expired)· nominal 20-yr term from priority
92
PatentIndex Score
52
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable room air purifier, as shown and described.

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