Filter assembly
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Description
Claims
The ornamental design for a filter assembly, as shown and described.
Referenced Cited
U.S. Patent Documents
3004670 | October 1961 | Zonker |
Patent History
Patent number: D577414
Type: Grant
Filed: Jan 25, 2007
Date of Patent: Sep 23, 2008
Assignee: Schroeder Industries, LLC. (Leetsdale, PA)
Inventor: Steven R. Evanovich (Pittsburgh, PA)
Primary Examiner: Robin V Webster
Attorney: BLK Law Group
Application Number: 29/276,419
Type: Grant
Filed: Jan 25, 2007
Date of Patent: Sep 23, 2008
Assignee: Schroeder Industries, LLC. (Leetsdale, PA)
Inventor: Steven R. Evanovich (Pittsburgh, PA)
Primary Examiner: Robin V Webster
Attorney: BLK Law Group
Application Number: 29/276,419
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)