USD306449SExpiredUtility

Aquarium air pump

71
Assignee: ROLF C HAGEN USA CORPPriority: Aug 22, 1988Filed: Aug 22, 1988Granted: Mar 6, 1990
Est. expiryAug 22, 2008(expired)· nominal 20-yr term from priority
Inventors:Gaad Shannon
71
PatentIndex Score
21
Cited by
3
References
1
Claims

Claims

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

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