Air filter
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The ornamental design that is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. The dot-dash lines in the drawings represent the boundaries between the claimed and unclaimed areas.
Claims
I claim the ornamental design for an air filter, as shown and described.
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Type: Grant
Filed: Dec 3, 2010
Date of Patent: Jul 9, 2013
Assignee: Briggs & Stratton Corporation (Wauwatosa, WI)
Inventor: Christopher J. Drew (West Allis, WI)
Primary Examiner: John Windmuller
Application Number: 29/380,423