USD495409SExpiredUtility

Portable air purifier

74
Priority: Aug 29, 2003Filed: Aug 29, 2003Granted: Aug 31, 2004
Est. expiryAug 29, 2023(expired)· nominal 20-yr term from priority
Inventors:Li Ke
74
PatentIndex Score
20
Cited by
5
References
1
Claims

Claims

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

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