USD407808SExpiredUtility

Filter element having circular sleeve

85
Assignee: DONALDSON CO INCPriority: Jul 11, 1996Filed: Jul 11, 1996Granted: Apr 6, 1999
Est. expiryJul 11, 2016(expired)· nominal 20-yr term from priority
Inventors:Larry R. NepsundKathleen A. AbrahamsonThomas A. BoeckermannJames K. Elfstrand
85
PatentIndex Score
32
Cited by
71
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for filter element having circular sleeve, as shown and described.

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