Patent
   D831192
Priority
Dec 18 2015
Filed
Dec 18 2015
Issued
Oct 16 2018
Expiry
Oct 16 2033
Assg.orig
Entity
unknown
5
19
n/a
I claim the ornamental design for a dust mask, as shown and described.

FIG. 1 is a perspective view of a dust mask;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear perspective view of thereof.

Park, KiSu

Patent Priority Assignee Title
D943734, Apr 03 2020 DONGGUAN LIANGCAI SILICONE ELECTRONICS TECHNOLOGY CO ,LTD Mask
D949326, Jun 09 2020 Face mask
D972717, Jul 12 2021 LG Electronics Inc Cover band for mask type air purifiers
D980968, Sep 29 2021 LG Electronics Inc. Mask type air purifier main body
D985763, Aug 12 2021 INTERSURGICAL AG Medical face mask
Patent Priority Assignee Title
5819731, Jan 03 1997 Minnesota Mining and Manufacturing Company Face mask having a combination adjustable ear loop and drop down band
6375724, May 13 1997 Humidifilter
20100218774,
20110180078,
20110247626,
20110277769,
20110297152,
20130213414,
20140216479,
20160067441,
20170119991,
D248497, May 20 1976 Cabot Safety Corporation Disposable respirator
D265006, Apr 04 1979 Martindale Protection Limited Filtering face piece
D366697, Apr 08 1993 CITIBANK, N A Combined molded cone style face mask and visor
D640011, Apr 25 2010 AOK Tooling Limited Face mask
D657051, Sep 22 2009 WORLD WIDE WELDING, INC Dust mask
D657053, Sep 22 2009 WORLD WIDE WELDING, INC Dust mask
D784514, Mar 11 2015 HUMID MED TECHNOLOGY PTY LTD Humidification mask
KR300803755,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 11 2015PARK, KISUVERTEX KOREA CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0373360329 pdf
Dec 18 2015Vertex Korea Co., Ltd.(assignment on the face of the patent)
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