USD450376SExpiredUtility

Air cleaner

50
Assignee: DONALDSON CO INCPriority: Jul 10, 2000Filed: Jul 10, 2000Granted: Nov 13, 2001
Est. expiryJul 10, 2020(expired)· nominal 20-yr term from priority
Inventors:Steven Scott GiesekePeter J. MurrayGary J. RocklitzJunhui Liu
50
PatentIndex Score
7
Cited by
12
References
1
Claims

Claims

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

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