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Patent
D294410
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Priority
Apr 09 1985
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Filed
Apr 09 1985
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Issued
Feb 23 1988
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Expiry
Feb 23 2002
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Assg.orig
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Entity
unknown
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15
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8
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n/a
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The ornamental design for a valve assembly for a respirator, as shown and described.
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FIG. 1 is an exploded perspective view of a valve assembly of respirator
showing my new design;
FIG. 2 is a rear perspective view of the respirator shown in assembled
condition;
FIG. 3 is a front perspective view of FIG. 2.
Montesi, Edward N.
Patent |
Priority |
Assignee |
Title |
D310431, |
Jan 30 1987 |
LIFELINE LIMITED, BRAY ROAD, VALE, GUERNSEY CHANNEL ISLANDS, A GUERNSEY COMPANY |
Gas delivery mask |
D320677, |
Nov 16 1989 |
|
Gas mask |
D347299, |
Oct 13 1992 |
Minnesota Mining and Manufacturing Company |
Valve cover |
D740932, |
Sep 24 2013 |
3M Innovative Properties Company |
Respirator with raised face seal flexing region |
D742504, |
Feb 27 2015 |
3M Innovative Properties Company |
Respirator mask |
D754844, |
May 22 2014 |
3M Innovative Properties Company |
Respirator mask |
D757249, |
Jan 13 2015 |
|
Respirator mask |
D776258, |
Sep 24 2013 |
3M Innovative Properties Company |
Respirator with face seal multiple flexing region |
D787659, |
Sep 24 2013 |
3M Innovative Properties Company |
Respirator with face seal flexing region |
D787660, |
May 22 2014 |
3M Innovative Properties Company |
Respirator mask having a face seal flexing region |
D811582, |
Jul 06 2016 |
SleepNet Corporation |
Face mask |
D812737, |
Jul 06 2016 |
SleepNet Corporation |
Face mask |
D936208, |
Apr 01 2020 |
|
Respiratory mask |
D958967, |
Feb 08 2020 |
|
Respiratory mask |
D968712, |
Nov 09 2020 |
CLEANSPACE IP PTY LTD |
Filter for breathing mask |
Patent |
Priority |
Assignee |
Title |
2067822, |
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|
3014479, |
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3072119, |
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3307543, |
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4454881, |
Aug 21 1981 |
Moldex-Metric, Inc |
Multi-layer face mask with molded edge bead |
4501272, |
Oct 30 1981 |
SHIGEMATSU WORKS CO , LTD |
Mask |
4549543, |
Dec 01 1982 |
|
Air filtering face mask |
537678, |
|
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a