USD499427SExpiredUtility

Air pump

46
Priority: Feb 6, 2004Filed: Feb 6, 2004Granted: Dec 7, 2004
Est. expiryFeb 6, 2024(expired)· nominal 20-yr term from priority
Inventors:Wei-Chi Wang
46
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

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

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