Patent
   D420770
Priority
Mar 10 1998
Filed
Mar 10 1998
Issued
Feb 15 2000
Expiry
Feb 15 2014
Assg.orig
Entity
unknown
4
8
n/a
The ornamental design for a top portion of a protective respiratory cap, as shown and described.

FIG. 1 is a perspective view of a top portion of a protective respiratory cap showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

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

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

The portion of the drawings shown in phantom is for illustrative purposes only and is not intended to form part of the claimed design.

Burns, James A.

Patent Priority Assignee Title
D436234, Mar 10 1998 3M Innovative Properties Company Green helmet respiratory protection device
D469580, Mar 10 1998 3M Innovative Properties Company Red helmet respiratory protection device
D955058, Jul 24 2020 RPB SAFETY, LLC Cap with duct
D959757, Oct 23 2019 SUNDSTRÖM SAFETY AKTIEBOLAG Helmet liner
Patent Priority Assignee Title
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 10 19983M Innovative Properties Company(assignment on the face of the patent)
May 26 1998BURNS, JAMES A Minnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0092360625 pdf
Sep 29 1999Minnesota Mining and Manufacturing Company3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0102820156 pdf
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