Dust mask

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Description

FIG. 1 is a perspective view of a dust mask showing my new design.

FIG. 2 is a left elevation side view of the dust mask shown in FIG. 1 showing my new design, the right side elevation view being a mirror image.

FIG. 3 is a top plan view of the dust mask shown in FIG. 1 showing my new design.

FIG. 4 is a front elevation view of the dust mask shown in FIG. 1 showing my new design.

FIG. 5 is a rear elevation view of the dust mask shown in FIG. 1 showing my new design; and,

FIG. 6 is a bottom plan view of the dust mask shown in FIG. 1 showing my new design.

The broken lines in FIG. 5 illustrate environmental structure of the dust mask, which forms no part of the claimed design.

Claims

The ornamental design for a dust mask, as shown and described.

Referenced Cited
U.S. Patent Documents
3288138 November 1966 Sachs
3333585 August 1967 Barghini et al.
4384577 May 24, 1983 Huber et al.
4723542 February 9, 1988 Giffard
7131442 November 7, 2006 Kronzer et al.
20010015205 August 23, 2001 Bostock et al.
20050061327 March 24, 2005 Martin et al.
20060266364 November 30, 2006 Turdjian
20100051031 March 4, 2010 Lustenberger et al.
Patent History
Patent number: D657052
Type: Grant
Filed: Sep 22, 2009
Date of Patent: Apr 3, 2012
Assignee: World Wide Welding, Inc. (Fort Mill, SC)
Inventor: Harish A. Amin (Fort Mill, SC)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Moore & Van Allen PLLC
Application Number: 29/343,924
Classifications
Current U.S. Class: Mask (D24/110.1)