Patent
   D687944
Priority
Nov 02 2009
Filed
Apr 30 2010
Issued
Aug 13 2013
Expiry
Aug 13 2027
Assg.orig
Entity
unknown
7
13
n/a
The ornamental design for a blower unit for breathing mask, as shown and described.

FIG. 1 is a top view of the blower unit for breathing mask.

FIG. 2 is a left view of the blower unit for breathing mask.

FIG. 3 is a right view of the blower unit for breathing mask.

FIG. 4 is a rear view of the blower unit for breathing mask.

FIG. 5 is a perspective view of the blower unit for breathing mask; and,

FIG. 6 is a front view of the blower unit for breathing mask.

The broken lines illustrate environmental structure of the blower unit for breathing mask, which forms no part of the claimed design.

Portions of the bottom of the article that are not shown in the drawing or described in the specification form no part of the claimed design.

Carr, Robert, Zwolinsky, Albert F., Hall, Christopher G., Leyland, Sally, Angear, Frank, Marshal, Richard D.

Patent Priority Assignee Title
D840550, Dec 20 2017 Medline Industries, LP Blower
D895840, Dec 20 2017 Medline Industries, LP Blower
D919834, Dec 20 2017 Medline Industries, LP Blower
D933256, Dec 20 2017 Medline Industries, LP Blower
D957683, Dec 20 2017 Medline Industries, LP Blower
ER6616,
ER8649,
Patent Priority Assignee Title
6823867, Apr 12 2002 3M Innovative Properties Company Pouch for the blower unit of a powered air purifying respirator
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D539418, Apr 20 2005 ResMed Pty Ltd Nasal mask
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D645956, Jun 15 2009 Moldex-Metric, Inc. Half mask filter respirator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 28 2010ZWOLINSKY, ALBERT F Scott Health & Safety LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0243190277 pdf
Apr 28 2010HALL, CHRISTOPHER G Scott Health & Safety LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0243190277 pdf
Apr 28 2010MARSHAL, RICHARD D Scott Health & Safety LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0243190277 pdf
Apr 28 2010LEYLAND, SALLYScott Health & Safety LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0243190277 pdf
Apr 28 2010CARR, ROBERTScott Health & Safety LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0243190277 pdf
Apr 28 2010ANGEAR, FRANKScott Health & Safety LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0243190277 pdf
Apr 30 2010Scott Health & Safety Ltd.(assignment on the face of the patent)
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