USD470865SExpiredUtility

Air pump

88
Assignee: WANG TA-CHINPriority: Nov 20, 2001Filed: Nov 20, 2001Granted: Feb 25, 2003
Est. expiryNov 20, 2021(expired)· nominal 20-yr term from priority
Inventors:Ta-Chin Wang
88
PatentIndex Score
37
Cited by
4
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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