Filter cartridge for an escape hood
Martinson , et al. October 7, 2
U.S. patent number D480,476 [Application Number D/161,877] was granted by the patent office on 2003-10-07 for filter cartridge for an escape hood. This patent grant is currently assigned to 3M Innovative Properties Company. Invention is credited to James R. Betz, Susan G. Danisch, Paul A. Martinson.
| United States Patent | D480,476 |
| Martinson , et al. | October 7, 2003 |
Filter cartridge for an escape hood
Claims
The ornamental design for a filter cartridge for an escape hood, as shown and described.
| Inventors: | Martinson; Paul A. (Maplewood, MN), Betz; James R. (Hudson, WI), Danisch; Susan G. (North Oaks, MN) |
|---|---|
| Assignee: | 3M Innovative Properties
Company (St. Paul, MN) |
| Appl. No.: | D/161,877 |
| Filed: | June 4, 2002 |
| Current U.S. Class: | D24/110.6; D24/110.1; D24/110.3 |
| Current International Class: | 2902 |
| Field of Search: | ;D24/110.6,110.1,110.3,110.2 ;128/201.28,201.22,201.25,201.13,206.12,206.19,206.14,205.25,205.24,206.24 |
References Cited [Referenced By]
U.S. Patent Documents
| 4934362 | June 1990 | Braun |
| 5010594 | April 1991 | Suzuki et al. |
| 6530374 | March 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.TM. 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.. |
Primary Examiner: Simmons; Ian
Attorney, Agent or Firm: Hanson; Karl G
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.
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References
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