USD538883SExpiredUtility

Stepped filter housing

38
Assignee: CHAMPION LAB INCPriority: Jun 24, 2005Filed: Jun 24, 2005Granted: Mar 20, 2007
Est. expiryJun 24, 2025(expired)· nominal 20-yr term from priority
Inventors:William R. WatsonJohn W. Stockhowe
38
PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       We claim the ornamental design for a stepped filter housing, as shown and described.

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