USD247436SExpiredUtility

Aquarium air pump

88
Assignee: WILLINGER BROSPriority: Jan 17, 1977Filed: Jan 17, 1977Granted: Mar 7, 1978
Est. expiryJan 17, 1997(expired)· nominal 20-yr term from priority
Inventors:Allan H. WillingerHarding W. WillingerMonte L. Levin
88
PatentIndex Score
22
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 and described.

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