USD439310SExpiredUtility

Air pump

53
Priority: Dec 16, 1999Filed: May 10, 2000Granted: Mar 20, 2001
Est. expiryDec 16, 2019(expired)· nominal 20-yr term from priority
Inventors:Ta-Chin Wang
53
PatentIndex Score
8
Cited by
4
References
1
Claims

Claims

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

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