Filtering face-piece respirator support structure

Description

FIG. 1 is a perspective view, showing the new design for a filtering face-piece respirator support structure;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view, the right side view being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

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

Claims

CLAIM The ornamental design for a filtering face-piece respirator support structure, as shown and described.

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Inventors:	Johnson; Erik J. (St. Paul, MN), Skulley; Thomas G. (St. Paul, MN), Domroese; Michael K. (Woodbury, MN)
Assignee:	3M Innovative Properties Company (St. Paul, MN)
Appl. No.:	D/295,021
Filed:	September 20, 2007

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Current U.S. Class:	D24/110.1
Current International Class:	2402
Field of Search:	;D24/108-110.5 ;128/206.12,206.19,206.27,205.25,206.15,206.18,206.21

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References Cited [Referenced By]

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U.S. Patent Documents

1502450	July 1924	Wood
2382364	August 1945	Yant
3757777	September 1973	Kaufman
D247332	February 1978	Quan
4248220	February 1981	White
D267985	February 1983	Huber
D282117	January 1986	Gronborg et al.
D285374	August 1986	Huber et al.
4630604	December 1986	Montesi
4641645	February 1987	Tayebi
D288980	March 1987	Pernicka
4739755	April 1988	White et al.
4807619	February 1989	Dyrud et al.
4827924	May 1989	Japuntich
4850347	July 1989	Skov
4951664	August 1990	Niemeyer
5050594	September 1991	Babb
D344608	February 1994	Goryachy et al.
D373224	August 1996	Pernicka et al.
5673690	October 1997	Tayebi et al.
5717991	February 1998	Nozaki et al.
6173712	January 2001	Brunson
6257235	July 2001	Bowen
D449377	October 2001	Henderson et al.
D449902	October 2001	Pernicka
6394090	May 2002	Chen et al.
D458364	June 2002	Curran et al.
D459471	June 2002	Curran et al.
6474336	November 2002	Wolfe
6584976	July 2003	Japuntich et al.
7086400	August 2006	Shigematsu et al.
7121279	October 2006	Dennis
7178528	February 2007	Lau et al.
D575390	August 2008	Scott et al.
D613850	April 2010	Holmquist-Brown et al.
D620104	July 2010	Curran et al.
2003/0205231	November 2003	Shigematsu et al.
2006/0130841	June 2006	Spence et al.
2006/0219246	October 2006	Dennis
2009/0078262	March 2009	Gebrewold et al.
2009/0078266	March 2009	Stepan et al.

Foreign Patent Documents

	2059782		Apr 1981		GB
	2546834		Sep 1997		JP
	2000-140139		May 2000		JP
	2003-093528		Apr 2003		JP
	2003-320043		Nov 2003		JP
	20-1997-0000011		Jan 1997		KR
	10-2006-0083536		Jul 2006		KR

Primary Examiner: Simmons; Ian
Assistant Examiner: Hanson; Charles
Attorney, Agent or Firm: Hanson; Karl G.