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Patent
D935012
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Priority
Mar 03 2020
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Filed
Apr 27 2020
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Issued
Nov 02 2021
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Expiry
Nov 02 2036
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Assg.orig
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Entity
unknown
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6
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16
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n/a
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We claim, the ornamental design for a mask, as shown and described.
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FIG. 1 is a perspective view of a mask, showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Chung, Yun-Ho, No, Shin-Hyan
Patent |
Priority |
Assignee |
Title |
4827924, |
Mar 02 1987 |
Minnesota Mining and Manufacturing Company |
High efficiency respirator |
5617849, |
Sep 12 1995 |
Minnesota Mining and Manufacturing Company |
Respirator having thermochromic fit-indicating seal |
7677248, |
Jun 05 2002 |
Louis M. Gerson Co., Inc. |
Stiffened filter mask |
CN302827489, |
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CN303398052, |
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CN305628635, |
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CN305796091, |
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CN306244724, |
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D431647, |
Sep 06 1996 |
3M Innovative Properties Company |
Personal respiratory protection device having an exhalation valve |
D449377, |
May 09 2000 |
3M Innovative Properties Company |
Tabs on a personal respiratory protection device |
D567937, |
Jul 16 2004 |
LOUIS M GERSON CO , INC |
Pleated face mask |
D698498, |
Aug 08 2012 |
JSP LIMITED; Zao 'Vostok-Service-Spetskomplekt |
Protective face mask |
D844253, |
Mar 12 2018 |
MAKRITE INDUSTRIES INC. |
Face mask |
D877885, |
Feb 06 2019 |
|
Earless filter mask |
D903097, |
May 18 2018 |
TRUDELL MEDICAL INTERNATIONAL INC |
Mask |
JP1644822, |
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Maintenance Fee Events |
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Maintenance Schedule |
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