Patent
   D680641
Priority
Feb 15 2012
Filed
Feb 15 2012
Issued
Apr 23 2013
Expiry
Apr 23 2027
Assg.orig
Entity
unknown
9
10
n/a
The ornamental design for a filter cover for powered air purifying respirator, as shown and described.

FIG. 1 is a front perspective view showing the new design for a filter cover for powered air purifying respirator;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is an enlarged left side view thereof; and,

FIG. 7 is an enlarged right side view thereof.

The broken lines enclosing portions of the article are included for the purpose of illustrating structure that is not part of the claimed design.

The shading is provided to illustrate contour only and is not an indication of surface texture.

Steffen, James E., Abel, Nathan A., Dwyer, Gary E., Pilgrim, John M.

Patent Priority Assignee Title
D739007, Mar 14 2014 3M Innovative Properties Company Powered air purifying respirator unit control panel
D739008, Mar 14 2014 3M Innovative Properties Company Powered air purifying respirator unit cover
D820455, Jun 09 2015 Lincoln Global, Inc. Filter cover of a powered air purifying respirator
D848077, Mar 07 2018 Lincoln Global, Inc Cover lens frame
D851841, Mar 23 2018 Lincoln Global, Inc Shield holder frame
D853044, Mar 07 2018 Lincoln Global, Inc Inner shell of a helmet
D857306, Mar 07 2018 Lincoln Global, Inc Top of helmet shell
D860546, Mar 07 2018 Lincoln Global, Inc Top shell for helmet
D887554, Jun 09 2015 Lincoln Global, Inc Belt bracket of a powered air purifying respirator
Patent Priority Assignee Title
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D479524, Jun 27 2002 Honda Access Corporation In-car tape player
D585131, Jun 18 2004 ResMed Pty Ltd Air delivery device
D632375, Apr 04 2008 3M Innovative Properties Company Air blowers
D646379, Apr 30 2008 Otos Wing Co., Ltd. Portable air supplier
D654070, Dec 20 2010 Harman International Industries, Incorporated Audio component front face
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 14 2012DWYER, GARY E 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0277070717 pdf
Feb 14 2012ABEL, NATHAN A 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0277070717 pdf
Feb 14 2012STEFFEN, JAMES E 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0277070717 pdf
Feb 14 2012PILGRIM, JOHN M 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0277070717 pdf
Feb 15 20123M Innovative Properties Company(assignment on the face of the patent)
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