USD247435SExpiredUtility

Aquarium air pump

76
Assignee: WILLINGER BROSPriority: Jul 28, 1976Filed: Jul 28, 1976Granted: Mar 7, 1978
Est. expiryJul 28, 1996(expired)· nominal 20-yr term from priority
Inventors:Allan H. WillingerHarding W. WillingerMonte L. Levin
76
PatentIndex Score
12
Cited by
3
References
1
Claims

Claims

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

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