Patent
   D812817
Priority
Aug 09 2016
Filed
Feb 08 2017
Issued
Mar 13 2018
Expiry
Mar 13 2033
Assg.orig
Entity
unknown
6
10
n/a
The ornamental design for a protective helmet, as shown and described.

FIG. 1 perspective view of my new design for a protective helmet;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a top plan view thereof.

Allinson, Stephen

Patent Priority Assignee Title
D834259, Apr 12 2017 Wuhan Welhel Photoelectric Co., Ltd. Welding helmet
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ER241,
Patent Priority Assignee Title
D361867, May 06 1993 Shoei Kako Kabushiki Kaisha Helmet
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D739609, Oct 31 2013 OGK Kabuto Co., Ltd.; OGK KABUTO CO , LTD Helmet
D749270, Sep 11 2013 HJC Corp. Helmet
D749788, Sep 11 2013 HJC Corp. Helmet
D749789, Sep 11 2013 HJC Corp. Helmet
D751767, Dec 03 2013 SHOEI CO , LTD Helmet
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 08 2017Stephen, Allinson(assignment on the face of the patent)
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