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 |
Inventors: | Martinson; Paul A. (Maplewood, MN), Betz; James R. (Hudson, WI), Danisch; Susan G. (North Oaks, MN) |
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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 |
4934362 | June 1990 | Braun |
5010594 | April 1991 | Suzuki et al. |
6530374 | March 2003 | Ferraro |
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.. |
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