Patent
   D629885
Priority
Sep 20 2007
Filed
Sep 20 2007
Issued
Dec 28 2010
Expiry
Dec 28 2024
Assg.orig
Entity
unknown
8
36
n/a
The ornamental design for a filtering face-piece respirator support structure, as shown and described.

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.

Skulley, Thomas G., Johnson, Erik J.

Patent Priority Assignee Title
10137321, Oct 28 2015 3M Innovative Properties Company Filtering face-piece respirator having an integrally-joined exhalation valve
10639506, Aug 20 2013 3M Innovative Properties Company Personal respiratory protection device
11154735, Aug 20 2013 3M Innovative Properties Company Personal respiratory protection device
11241595, Aug 20 2013 3M Innovative Properties Company Personal respiratory protection device
11247079, Aug 20 2013 3M Innovative Properties Company Personal respiratory protection device
D690415, Jul 02 2012 3M Innovative Properties Company Respirator support structure
D704824, Jun 25 2010 3M Innovative Properties Company Respirator having folded nose region
D720845, Apr 10 2012 3M Innovative Properties Company Facepiece
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 20 20073M Innovative Properties Company(assignment on the face of the patent)
Nov 14 2007JOHNSON, ERIK J 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0201890821 pdf
Nov 30 2007SKULLEY, THOMAS G 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0201890821 pdf
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