Patent
   D436234
Priority
Mar 10 1998
Filed
Mar 10 1998
Issued
Jan 09 2001
Expiry
Jan 09 2015
Assg.orig
Entity
unknown
3
12
n/a
The ornamental design for a green helmet respiratory protection device, as shown and described.

FIG. 1 is a perspective view of a green helmet respiratory protection device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom elevational 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 details shown in broken lines in all views are for illustrative purposes only and form no part of the claimed design. The diagonal line shading represents the color green.

Schlaefer, David R., Saez, M. Antonia

Patent Priority Assignee Title
D469580, Mar 10 1998 3M Innovative Properties Company Red helmet respiratory protection device
D774256, Aug 27 2015 Folding helmet
D881380, Oct 16 2017 Gentex Corporation Respirator
Patent Priority Assignee Title
6035451, Mar 10 1998 3M Innovative Properties Company Protective helmet system with cam for attaching first and second face shields thereto
190220,
192071,
216765,
240310,
D277425, Dec 17 1981 Protector Safety Industries Limited Safety helmet
D299765, Aug 14 1985 PROTECTOR TECHNOLOGIES, B V Helmet or similar article
D370308, Jan 12 1994 Peltor AB Protective helmet
D375826, Oct 16 1995 BUNZL DISTRIBUTION USA, INC Cap
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 10 19983M Innovative Properties Company(assignment on the face of the patent)
Jul 07 1998SAEZ, M ANTONIAMinnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0097590197 pdf
Jul 07 1998SCHLAEFER, DAVID R Minnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0097590197 pdf
Oct 10 2000Minnesota Mining and Manufacturing Company3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0110470391 pdf
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