Patent
   D331988
Priority
Dec 31 1986
Filed
Aug 22 1991
Issued
Dec 22 1992
Expiry
Dec 22 2006
Assg.orig
Entity
unknown
13
21
n/a
The ornamental design for a mask, as shown and described.

FIG. 1 is a front perspective view of a mask showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Markert, Allan R.

Patent Priority Assignee Title
D388872, Sep 24 1996 Minnesota Mining and Manufacturing Company Full face respirator lens
D409744, Sep 24 1996 Minnesota Mining and Manufacturing Company Full face respirator lens
D426298, Sep 24 1996 3M Innovative Properties Company Full-face respirator lens
D484281, Dec 16 2002 REVISION EYEWEAR INC Modular mask
D489449, Jul 05 2002 3M Innovation Properties Company Faceshield attachment
D589607, Mar 08 2007 Moldex-Metric, Inc.; Moldex-Metric, Inc Molded lens for use with a filter respirator
D593197, Nov 14 2007 PHILIPS RS NORTH AMERICA LLC Face mask
D602154, Jan 24 2008 SHIGEMATSU WORKS CO , LTD Whole face covering mask
D802220, Apr 21 2016 Mask
D852265, Feb 23 2017 Dongguan Blue Dolphin Sporting Goods Co., Ltd.; DONGGUAN BLUE DOLPHIN SPORTING GOODS CO , LTD Snorkeling mask
D852266, Jun 21 2017 Dongguan Blue Dolphin Sporting Goods Co., Ltd. Snorkeling mask
D881379, Dec 09 2019 CHANGZHOU CHUDENG TRADING CO., LTD. Protective mask
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