USD437401SExpiredUtility

In-line air cleaner

97
Assignee: DONALDSON CO INCPriority: Feb 26, 1999Filed: Feb 26, 1999Granted: Feb 6, 2001
Est. expiryFeb 26, 2019(expired)· nominal 20-yr term from priority
Inventors:Timothy M. RamosEdward A. Steinbrueck
97
PatentIndex Score
187
Cited by
15
References
1
Claims

Claims

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

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