Patent
   D480476
Priority
Jun 04 2002
Filed
Jun 04 2002
Issued
Oct 07 2003
Expiry
Oct 07 2017
Assg.orig
Entity
unknown
21
3
n/a
The ornamental design for a filter cartridge for an escape hood, as shown and described.

FIG. 1 is a front perspective view, showing the new design for a filter cartridge for an escape hood. As shown, the filter cartridge is oriented horizontally on the front side of the hood;

FIG. 2 is a right side view of the filter cartridge, the left side view being a mirror image of the right side view;

FIG. 3 is a top view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a front view thereof.

The broken line showing in the drawings forms no part of the claimed design.

Betz, James R., Martinson, Paul A., Danisch, Susan G.

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Patent Priority Assignee Title
4934362, Mar 26 1987 Minnesota Mining and Manufacturing Company Unidirectional fluid valve
5010594, Jun 27 1989 Japan Air Lines Co., Ltd. Dampening mask for use in aircraft
6530374, Jul 24 1998 Air filter device provided with gripping means in the form of a mouthpiece
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 04 20023M Innovative Properties Company(assignment on the face of the patent)
Jun 04 2002MARTINSON, PAUL A 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129900721 pdf
Jun 04 2002BETZ, JAMES R 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129900721 pdf
Jun 04 2002DANISCH, SUSAN G 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129900721 pdf
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