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Patent
D550837
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Priority
Jun 30 2005
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Filed
Jun 30 2005
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Issued
Sep 11 2007
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Expiry
Sep 11 2021
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Assg.orig
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Entity
unknown
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0
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8
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n/a
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The ornamental design for a frame that supports an exhalation valve filter, as shown and described.
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FIG. 1 is a perspective view, showing the new design for a frame that supports an exhalation valve filter;
FIG. 2 is a left side view thereof, the right side view being a mirror image of the left side view;
FIG. 3 is a rear view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken line showing in FIGS. 1–6 forms no part of the claimed design.
Parkin, Derek A., Scott, Chris W., Curtis, Abigail L., Coote, Lawrie D.
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
5829433, |
Jun 30 1995 |
Shigermatsu Works Co., Ltd. |
Inhalation valve |
6047698, |
Aug 20 1998 |
Moldex-Metric, Inc.; MOLDEX-METRIC, INC A CALIFORNIA CORPORATION |
Unidirectional fluid valve |
6584976, |
Jul 24 1998 |
3M Innovative Properties Company |
Face mask that has a filtered exhalation valve |
6805124, |
Jul 24 1998 |
3M Innovative Properties Company |
Face mask that has a filtered exhalation valve |
D347298, |
Oct 13 1992 |
Minnesota Mining and Manufacturing Company |
Valve cover |
D413166, |
Mar 02 1998 |
Louis M. Gerson Co., Inc. |
Face mask breathing valve |
D431647, |
Sep 06 1996 |
3M Innovative Properties Company |
Personal respiratory protection device having an exhalation valve |
RE37974, |
Jul 26 1996 |
3M Innovative Properties Company |
Uni-directional fluid valve |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a