Filter cartridge for an escape hood

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Description

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.

Claims

The ornamental design for a filter cartridge for an escape hood, as shown and described.

Referenced Cited
U.S. Patent Documents
4934362 June 19, 1990 Braun
5010594 April 30, 1991 Suzuki et al.
6530374 March 11, 2003 Ferraro
Other references
  • Valiation of the Emergency Escape Mask, information from the Japan Safety Network, Inc. website of www.j-safety.com.
  • Drager DefendAir™ Gas Mask, information from the FSI North website www.fsinorth.com.
  • Survivair Quick 2000 Escape Hood, information from the Survivair website of www.survivairquick2000.com.
Patent History
Patent number: D480476
Type: Grant
Filed: Jun 4, 2002
Date of Patent: Oct 7, 2003
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Paul A. Martinson (Maplewood, MN), James R. Betz (Hudson, WI), Susan G. Danisch (North Oaks, MN)
Primary Examiner: Ian Simmons
Attorney, Agent or Law Firm: Karl G Hanson
Application Number: 29/161,877
Classifications
Current U.S. Class: Regulator Or Valve (D24/110.6); Mask (D24/110.1); Helmet Type (D24/110.3)
International Classification: 2902;