Patent
   D343307
Priority
Feb 28 1992
Filed
Feb 28 1992
Issued
Jan 18 1994
Expiry
Jan 18 2008
Assg.orig
Entity
unknown
15
4
n/a
The ornamental design for a dust mask holder, as shown and described.

FIG. 1 is an isometric view of a first embodiment of the dust mask holder;

FIG. 2 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 3 is a top plan view thereof;

FIG. 4 is front elevational view, showing the dust mask in broken lines;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is isometric view of a second embodiment of the present invention;

FIG. 8 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 9 is a top plan view thereof;

FIG. 10 is front elevational view, showing the dust mask in broken lines;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is isometric view of a third embodiment of the present invention;

FIG. 14 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 15 is a top plan view thereof;

FIG. 16 is front elevational view, showing the dust mask in broken lines;

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a bottom view thereof;

FIG. 19 is isometric view of a fourth embodiment of the present invention;

FIG. 20 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 21 is a top plan view thereof;

FIG. 22 is front elevational view, showing the dust mask in broken lines;

FIG. 23 is a rear elevational view thereof; and,

FIG. 24 is a bottom view thereof;

Tennyson, John O.

Patent Priority Assignee Title
5558089, Oct 13 1994 Minnesota Mining and Manufacturing Company Respirator nose clip
D412573, Oct 14 1994 3M Innovative Properties Company Nose clip for a filtering face mask
D588377, Feb 25 2008 Dennis, Riley Two piece wrap-around drum rack
D677941, Sep 25 2012 Low profile drum rack
D818747, Mar 21 2017 Drum rack
D925319, Oct 17 2017 Pro-lroda Industries, Inc.; PRO-IRODA INDUSTRIES, INC Holder for gas tool
D934412, Sep 22 2020 YIWU YAOCHUN NETWORK TECHNOLOGY CO., LTD. Mask support frame
D949327, Oct 17 2019 Frame for a dust mask
D957633, Mar 01 2021 Lake Products Limited Head support for a face mask
D958336, Sep 18 2020 Mask keeper
D959655, Aug 28 2020 MATCHLESS PLASTICS, INC Mask holder
D984633, Jun 05 2020 Device for preventing inhalation of airborne material
ER1641,
ER4573,
ER8343,
Patent Priority Assignee Title
4421238, Jun 26 1981 Saddle rack
D282323, May 21 1982 Pan lid holder
D311651, Oct 20 1987 Pan lid holder
D335367, Apr 02 1991 Oxygen mask securing straps
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