Filter housing

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Description

FIG. 1 is a perspective view, showing the new design for a filter housing;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, the left side being a mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The phantom line showing forms no part of the claimed design, and the surface shading lines are provided to illustrate contour only; they are not an indication of texture, gloss, etc.

Claims

The ornamental design for a filter housing, as shown and described.

Referenced Cited
U.S. Patent Documents
2706983 April 1955 Matheson et al.
D286213 October 14, 1986 Maryyanek et al.
D326540 May 26, 1992 Scholey
5505197 April 9, 1996 Scholey
D396283 July 21, 1998 Scholey
D434493 November 28, 2000 Fecteau et al.
D440301 April 10, 2001 Fecteau et al.
20020078953 June 27, 2002 Fecteau et al.
20040055604 March 25, 2004 Viner et al.
Other references
  • Picture of 3M 3000 Series Respirator.
  • Picture of Daekook D8111 Respirator.
  • Picture of Koken 1005R Respirator.
  • Picture of Onnuri ONW8014 Respirator.
  • Picture of Shigematsu Works Co. Ltd (STS) DRE30 Respirator.
Patent History
Patent number: D613851
Type: Grant
Filed: Aug 21, 2007
Date of Patent: Apr 13, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: John M. Pilgrim (Woodbury, MN), Thomas W. Holmquist-Brown (St. Paul, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Karl G. Hanson
Application Number: 29/283,669
Classifications
Current U.S. Class: Mask (D24/110.1)