USD453524SExpiredUtility

Portable air pump

83
Assignee: BULTON ENTPR CO LTDPriority: May 25, 2000Filed: May 25, 2000Granted: Feb 12, 2002
Est. expiryMay 25, 2020(expired)· nominal 20-yr term from priority
Inventors:Hsin-Tsai Wu
83
PatentIndex Score
30
Cited by
4
References
1
Claims

Claims

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

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