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Patent
D831192
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Priority
Dec 18 2015
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Filed
Dec 18 2015
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Issued
Oct 16 2018
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Expiry
Oct 16 2033
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Assg.orig
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Entity
unknown
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5
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19
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n/a
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I claim the ornamental design for a dust mask, as shown and described.
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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 |
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 |
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20170119991, |
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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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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a