USD246724SExpiredUtility

Aquarium filter

60
Assignee: WILLINGER BROSPriority: Dec 6, 1976Filed: Dec 6, 1976Granted: Dec 20, 1977
Est. expiryDec 6, 1996(expired)· nominal 20-yr term from priority
Inventors:Allan H. Willinger
60
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

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

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