USD483103SExpiredUtility

Air filter assembly

39
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Mar 4, 2003Filed: Mar 4, 2003Granted: Dec 2, 2003
Est. expiryMar 4, 2023(expired)· nominal 20-yr term from priority
Inventors:Gail M. Dalzell
39
PatentIndex Score
8
Cited by
5
References
1
Claims

Claims

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

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