USD291722SExpiredUtility

Aquarium filter cartridge frame

Assignee: WILLINGER BROSPriority: Dec 26, 1985Filed: Dec 26, 1985Granted: Sep 1, 1987
Est. expiryDec 26, 2005(expired)· nominal 20-yr term from priority
45
PatentIndex Score
4
Cited by
6
References
1
Claims

Claims

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

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