USD291825SExpiredUtility

Aquarium filter cartridge

Assignee: PENN PLAX PLASTICS INCPriority: Dec 21, 1984Filed: Dec 21, 1984Granted: Sep 8, 1987
Est. expiryDec 21, 2004(expired)· nominal 20-yr term from priority
41
PatentIndex Score
2
Cited by
4
References
1
Claims

Claims

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

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