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Publication numberUSD456505 S1
Publication typeGrant
Application numberUS 29/127,308
Publication dateApr 30, 2002
Filing dateAug 3, 2000
Priority dateAug 3, 2000
Publication number127308, 29127308, US D456505 S1, US D456505S1, US-S1-D456505, USD456505 S1, USD456505S1
InventorsJon R. Wolf, Paul K. Johnson, Brian S. McGinley, David M. Castiglione, Benjamin J. Cullen, Raymond Odell
Original Assignee3M Innovative Properties Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Grill pattern on air filter inlet
US D456505 S1
Abstract  available in
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  1. The ornamental design for a grill pattern on an air filter inlet, as shown and described.

FIG. 1 is a perspective view of a grill pattern on an air filter inlet showing our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof; and,

FIG. 4 is a side view thereof, all other side views being the same.

The broken line showing forms no part of the claimed design.

Non-Patent Citations
1Domestic Preparedness—Powered Air Protection for First Responders C420 Mil-Spec PAPR; SCOTT a Scott Technologies Company (dated Sep. 1999) (a four page brochure).
2Lab Safety Supply "MSA Ultra Elite" Full face respirator p. 296 @1999.*
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8328894Dec 11, 2012S.C. Johnson & Son, Inc.Dust prevention and removal device
U.S. ClassificationD24/110.1, D24/110.3, D24/110.2