Filtering face-piece respirator support structure

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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

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

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Patent History
Patent number: D629885
Type: Grant
Filed: Sep 20, 2007
Date of Patent: Dec 28, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Thomas G. Skulley (St. Paul, MN), Erik J. Johnson (St. Paul, MN)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Attorney: Karl G. Hanson
Application Number: 29/295,023
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)