USD344328SExpiredUtility

Air filter cartridge

Individually held — no corporate assignee on recordPriority: Aug 12, 1991Filed: Aug 12, 1991Granted: Feb 15, 1994

Est. expiryAug 12, 2011(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for an air filter cartridge, as shown and described.

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