Patent
   D469580
Priority
Mar 10 1998
Filed
Mar 10 1998
Issued
Jan 28 2003
Expiry
Jan 28 2017
Assg.orig
Entity
unknown
0
13
n/a
The ornamental design for a red helmet respiratory protection device, as shown and described.

FIG. 1 is a perspective view of a red helmet respiratory protection device showing our new design, the parallel lines shown in all views representing the color red;

FIG. 2 is a front view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view; and,

FIG. 6 is a side elevational view thereof, the opposite side being a mirror image.

The vertical line shading shown in FIGS. 1-3, 5, and 6 represents the color red.

The portion of the design that is shown in phantom lines in all views is for illustrative purposes only and forms no part of the claimed design.

Schlaefer, David R., Sáez, M. Antonia

Patent Priority Assignee Title
Patent Priority Assignee Title
6016805, Mar 10 1998 3M Innovative Properties Company Face seal for respirator
6035451, Mar 10 1998 3M Innovative Properties Company Protective helmet system with cam for attaching first and second face shields thereto
6081931, Mar 10 1998 3M Innovative Properties Company Protective helmet suspension system
6102033, Mar 10 1998 3M Innovative Properties Company Attachment system for replacement helmet respirator lens
6279573, Mar 10 1998 3M Innovative Properties Company Breathing tube connection for respiratory protective headgear
D277425, Dec 17 1981 Protector Safety Industries Limited Safety helmet
D291127, Mar 06 1984 MINIMAN SECURITY AB, PO BOX 23, 199 21 ENKOPING Protective helmet with retractable goggles
D370308, Jan 12 1994 Peltor AB Protective helmet
D416649, Mar 10 1998 3M Innovative Properties Company Face shield with protective lens
D420770, Mar 10 1998 3M Innovative Properties Company Top portion of a protective respiratory cap
D420771, Mar 10 1998 3M Innovative Properties Company Top portion of a protective respiratory helmet
D421820, Mar 10 1998 3M Innovative Properties Company Protective respiratory helmet with rear recess design
D436234, Mar 10 1998 3M Innovative Properties Company Green helmet respiratory protection device
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 10 19983M Innovative Properties Company(assignment on the face of the patent)
Jul 07 1998SCHLAEFER, DAVID R Minnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0097590251 pdf
Jul 07 1998SAEZ, M ANTONIAMinnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0097590251 pdf
Sep 24 20023M COMPANY FORMERLY MINNESOTA MINING AND MANUFACTURING COMPANY A CORP OF DELAWARE3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0131270707 pdf
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