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:	Skulley; Thomas G. (St. Paul, MN), Johnson; Erik J. (St. Paul, MN)
Assignee:	3M Innovative Properties Company (St. Paul, MN)
Appl. No.:	D/295,023
Filed:	September 20, 2007

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Current U.S. Class:	D24/110
Current International Class:	2902
Field of Search:	;D24/110-110.6,164 ;D16/339 ;128/207.17,207.11,848 ;2/171.2,171.8

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References Cited [Referenced By]

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Foreign Patent Documents

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

Primary Examiner: Nelson; T. Chase
Assistant Examiner: Pratt; Michael A
Attorney, Agent or Firm: Hanson; Karl G.