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Publication numberUSD480476 S1
Publication typeGrant
Application numberUS 29/161,877
Publication dateOct 7, 2003
Filing dateJun 4, 2002
Priority dateJun 4, 2002
Publication number161877, 29161877, US D480476 S1, US D480476S1, US-S1-D480476, USD480476 S1, USD480476S1
InventorsPaul A. Martinson, James R. Betz, Susan G. Danisch
Original Assignee3M Innovative Properties Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Filter cartridge for an escape hood
US D480476 S1
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  1. 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.

Non-Patent Citations
1Drager DefendAirô Gas Mask, information from the FSI North website
2Survivair Quick 2000 Escape Hood, information from the Survivair website of
3Valiation of the Emergency Escape Mask, information from the Japan Safety Network, Inc. website of
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7765698Jun 2, 2008Aug 3, 20103M Innovative Properties CompanyContacting a polymeric article with zeta potential of -7.5 mV or less with an aqueous liquid with pH greater than 7 and a conductivity of 5-9,000 microSiemens per centimeter or an article with zeta potential of greater than -7.5 mV with liquid with pH of 7 or less and 5 to 5,500 microSiemens per cent.
U.S. ClassificationD24/110.6, D24/110.3, D24/110.1