USD422071SExpiredUtility

Inside surface of a filter element having spacer construction

41
Assignee: DONALDSON CO INCPriority: Mar 19, 1998Filed: Mar 19, 1998Granted: Mar 28, 2000
Est. expiryMar 19, 2018(expired)· nominal 20-yr term from priority
Inventors:Thomas MillerDolan BartelsAndrew AlbitzBruce Crenshaw
41
PatentIndex Score
4
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for inside surface of a filter element having spacer construction, as shown and described.

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