Filter cartridge for an escape hood
Latest 3M Innovative Properties Company Patents:
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
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
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;
International Classification: 2902;