Patent
   D550837
Priority
Jun 30 2005
Filed
Jun 30 2005
Issued
Sep 11 2007
Expiry
Sep 11 2021
Assg.orig
Entity
unknown
0
8
n/a
The ornamental design for a frame that supports an exhalation valve filter, as shown and described.

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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 30 20053M Innovative Properties Company(assignment on the face of the patent)
Jul 20 2005PARKIN, DEREK A 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166390220 pdf
Jul 21 2005SCOTT, CHRIS W 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166390220 pdf
Jul 22 2005CURTIS, ABIGAIL L 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166390220 pdf
Jul 22 2005COOTE, LAWRIE D 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166390220 pdf
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