Patent
   D424688
Priority
Sep 06 1996
Filed
Nov 07 1997
Issued
May 09 2000
Expiry
May 09 2014
Assg.orig
Entity
unknown
41
21
n/a
The ornamental design for a respiratory protection mask, as shown and described.

FIG. 1 is a perspective view of a respiratory protection mask showing the new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top elevational view thereof.

FIG. 5 is a bottom elevational view thereof; and,

FIG. 6 is a right elevational view thereof. The left side is a mirror image of the right side.

Curran, Desmond T., Henderson, Christopher P., Dyrud, James F., Bryant, John W.

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ER2548,
ER2602,
ER9183,
Patent Priority Assignee Title
1987922,
2012505,
2029947,
2565124,
2752916,
3288138,
3971369, Jun 23 1975 Johnson & Johnson Folded cup-like surgical face mask and method of forming the same
4248220, Jul 20 1978 DALLOZ INVESTMENT, INC Disposable dust respirator
4417575, Jul 30 1980 Minnesota Mining and Manufacturing Company Respirators
4628927, Nov 22 1983 Reversible face mask with replaceable air filter insert
4643182, Apr 20 1983 CRANE, FREDERICK G JR ,; KLEIN, MAX, AS TRUSTEES Disposable protective mask
4827924, Mar 02 1987 Minnesota Mining and Manufacturing Company High efficiency respirator
4941470, Nov 07 1983 Kimberly-Clark Worldwide, Inc Face mask with ear loops and method for forming
5035006, Oct 25 1989 Hot Cheeks, Inc. Convertible mask, ascot and visor garment and method of conversion therebetween
5322061, Dec 16 1992 Kimberly-Clark Worldwide, Inc Disposable aerosol mask
D326541, Oct 23 1990 Face mask
D347298, Oct 13 1992 Minnesota Mining and Manufacturing Company Valve cover
D347299, Oct 13 1992 Minnesota Mining and Manufacturing Company Valve cover
D380545, Feb 22 1996 Uni-Charm Corporation Disposable sanitary mask
GB2103491,
24549,
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 07 19973M Innovative Properties Company(assignment on the face of the patent)
Nov 10 1999Minnesota Mining and Manufacturing Company3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0104170035 pdf
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