Patent
   D638929
Priority
Jul 23 2007
Filed
Jul 23 2007
Issued
May 31 2011
Expiry
May 31 2025
Assg.orig
Entity
unknown
2
14
n/a
The ornamental design for a respirator head harness, as shown and described.

FIG. 1 is a perspective view of a respirator head harness showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

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

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a magnified view of the central portion of FIG. 2.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design.

Betz, James R., Burke, Sean M., Lynch, Michael J., Reier, Matthew D., Viner, Andrew S., Abel, Nathan A.

Patent Priority Assignee Title
D887554, Jun 09 2015 Lincoln Global, Inc Belt bracket of a powered air purifying respirator
D950077, Apr 08 2021 Anti snore chin strap
Patent Priority Assignee Title
5481763, Jan 28 1993 Minnesota Mining and Manufacturing Company Molded head harness
5717991, Nov 30 1995 Uni-Charm Corporation; MEISEI SANSHO CO , LTD Disposable sanitary mask
6173712, Apr 29 1998 O&M HALYARD, INC Disposable aerosol mask with disparate portions
6257235, May 28 1999 O&M HALYARD, INC Face mask with fan attachment
6584976, Jul 24 1998 3M Innovative Properties Company Face mask that has a filtered exhalation valve
6732733, Oct 03 1997 3M Innovative Properties Company Half-mask respirator with head harness assembly
6833519, Jul 22 1999 Switching system with a combined switching and blocking device
7178528, Mar 01 2005 Ventlab, LLC Headgear for noninvasive ventilation interface
D449377, May 09 2000 3M Innovative Properties Company Tabs on a personal respiratory protection device
D458364, Nov 25 1996 3M Innovative Properties Company Personal respiratory protection device that has left and right tabs
D459471, Nov 25 1996 3M Innovative Properties Company Personal respiratory protection device that has a three panelled look
D575390, Jun 30 2005 3M Innovative Properties Company Exhalation valve filter
D613850, Jul 31 2007 3M Innovative Properties Company Respirator mask body
D620104, Nov 25 1996 3M Innovative Properties Company Personal respiratory protection device
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 20 2007BURKE, SEAN M3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195890077 pdf
Jul 20 2007LYNCH, MICHAEL J 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195890077 pdf
Jul 20 2007REIER, MATTHEW D 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195890077 pdf
Jul 20 2007VINER, ANDREW S 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195890077 pdf
Jul 23 20073M Innovative Properties Company(assignment on the face of the patent)
Jul 23 2007ABEL, NATHAN A 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195890077 pdf
Jul 23 2007BETZ, JAMES R 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195890077 pdf
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