Frame that supports an exhalation valve filter

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Description

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.

Claims

The ornamental design for a frame that supports an exhalation valve filter, as shown and described.

Referenced Cited
U.S. Patent Documents
D347298 May 24, 1994 Japuntich et al.
5829433 November 3, 1998 Shigematsu et al.
D413166 August 24, 1999 Snow et al.
6047698 April 11, 2000 Magidson et al.
D431647 October 3, 2000 Henderson et al.
RE37974 February 4, 2003 Bowers
6584976 July 1, 2003 Japuntich et al.
6805124 October 19, 2004 Japuntich et al.
Other references
  • U.S. Appl. No. 29/233,287 to Scott et al., filed Jun. 30, 2005 entitled Exhalation Valve Filter.
Patent History
Patent number: D550837
Type: Grant
Filed: Jun 30, 2005
Date of Patent: Sep 11, 2007
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Derek A. Parkin (County Durham), Chris W. Scott (County Durham), Abigail L. Curtis (Hartlepool), Lawrie D. Coote (Berkshire)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Karl G. Hanson
Application Number: 29/233,288
Classifications
Current U.S. Class: Regulator Or Valve (D24/110.6)