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Patent
D690415
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Priority
Jul 02 2012
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Filed
Jul 02 2012
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Issued
Sep 24 2013
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Expiry
Sep 24 2027
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Assg.orig
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Entity
unknown
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4
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15
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n/a
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The ornamental design for a respirator support structure, as shown and described.
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FIG. 1 is a perspective view, showing the new design for a respirator support structure;
FIG. 2 is a right side view thereof, the left side being a mirror image of the right side view;
FIG. 3 is a front view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is an rear view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a perspective view thereof, showing the respirator support structure attached to a respirator mask body.
The broken line showing is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
Mittelstadt, William A., Abel, Nathan A.
| Patent |
Priority |
Assignee |
Title |
| 6338342, |
Feb 22 1999 |
3M Innovative Properties Company |
Respirator headpiece and release mechanism |
| 6536435, |
Feb 22 1999 |
3M Innovative Properties Company |
Respirator headpiece and release mechanism |
| 20020078953, |
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| D421299, |
Oct 03 1997 |
3M Innovative Properties Company |
Carriage for drop-down mask assembly |
| D421801, |
Oct 03 1997 |
3M Innovative Properties Company |
Carriage for drop-down mask assembly |
| D440301, |
Feb 22 1999 |
3M Innovative Properties Company |
Respirator |
| D471627, |
Jun 25 2001 |
3M Innovative Properties Company |
Respirator facemask assembly |
| D473937, |
Oct 16 2001 |
3M Innovative Properties Company |
Respirator |
| D518571, |
Nov 07 2003 |
3M Innovative Properties Company |
Face mask carriage |
| D568986, |
Jul 31 2007 |
3M Innovative Properties Company |
Strap carriers on a respirator |
| D569969, |
Dec 20 2006 |
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Mask |
| D570474, |
Dec 20 2006 |
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Mask |
| D582546, |
Mar 07 2007 |
TEIJIN PHARMA LIMITED |
Mask for respirator |
| D629885, |
Sep 20 2007 |
3M Innovative Properties Company |
Filtering face-piece respirator support structure |
| GB2073735, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a