Filter cartridge for an escape hood
Granted 7 Oct 2003 · no office action yet
Assignee: 3M Company
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Paul A. Martinson, James R. Betz, Susan G. Danisch · Examiner: Ian Simmons · AU 2914 · TC 2900
Life of the patent
5 dated eventsDescription
1 parts›FIG. 1 is a front perspective view, showing…
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
1 · 1 independent · depth 1Classifications
4 codes- /DRW
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2 members · 2 offices›IP5 & PCT — 1 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| USthis patent | US-D480476-S | S1 | 7 Oct 2003 | 4 Jun 2002 | granted | Filter cartridge for an escape hood |
›Other offices — 1 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| CA | CA-101062-S | S | 7 Oct 2003 | 28 Oct 2002 | granted | Filter cartridge for an escape hood |
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