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Patent
D657449
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Priority
Sep 20 2007
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Filed
Sep 20 2007
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Issued
Apr 10 2012
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Expiry
Apr 10 2026
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Assg.orig
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Entity
unknown
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1
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48
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n/a
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The ornamental design for a filtering face-piece respirator support structure, as shown and described.
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FIG. 1 is a perspective view, showing the new design for a filtering face-piece respirator support structure;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view, the right side view being a mirror image thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken line showing forms no part of the claimed design.
Domroese, Michael K., Skulley, Thomas G., Johnson, Erik J.
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a