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Publication numberUSD550837 S1
Publication typeGrant
Application numberUS 29/233,288
Publication dateSep 11, 2007
Filing dateJun 30, 2005
Priority dateJun 30, 2005
Publication number233288, 29233288, US D550837 S1, US D550837S1, US-S1-D550837, USD550837 S1, USD550837S1
InventorsDerek A. Parkin, Chris W. Scott, Abigail L. Curtis, Lawrie D. Coote
Original Assignee3M Innovative Properties Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Frame that supports an exhalation valve filter
US D550837 S1
Abstract  available in
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  1. The ornamental design for a frame that supports an exhalation valve filter, as shown and described.

FIG. 1 is a perspective view, showing the new design for a frame that supports an exhalation valve filter;

FIG. 2 is a left side view thereof, the right side view being a mirror image of the left side view;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing in FIGS. 1–6 forms no part of the claimed design.

U.S. ClassificationD24/110.6