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Publication numberUSD401684 S
Publication typeGrant
Application numberUS 29/079,284
Publication dateNov 24, 1998
Filing dateNov 12, 1997
Publication number079284, 29079284, US D401684 S, US D401684S, US-S-D401684, USD401684 S, USD401684S
InventorsNathan E. Shelton, Duncan Bickerton
Original AssigneeK&N Engineering, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air Filter
US D401684 S
Abstract  available in
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  1. The ornamental design for an air filter, as shown and described.

FIG. 1 is a top perspective view of an air filter showing our new design;

FIG. 2 is a perspective view from the bottom;

FIG. 3 is a side elevational view, the other sides being identical to that shown;

FIG. 4 is an enlarged fragmentary cross-sectional view taken along line 4--4 of FIG. 3; and,

FIG. 5 is an enlarged fragmentary cross-sectional view taken along line 5--5 of FIG. 1.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD740927 *Mar 5, 2013Oct 13, 2015K&N Engineering, Inc.Top filter
U.S. ClassificationD23/365