Helmet
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Description
FIG. S is a right side view thereof; and,
The broken line showings of
Claims
The ornamental design for a helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D756038
Type: Grant
Filed: Oct 13, 2014
Date of Patent: May 10, 2016
Assignee: MSA Technology, LLC (Cranberry Township, PA)
Inventors: Yan Yang (Jiangsu), Yizheng Pu (Jiangsu), Chunmei Wu (Jiangsu)
Primary Examiner: Ruth McInroy
Application Number: 29/506,095
Type: Grant
Filed: Oct 13, 2014
Date of Patent: May 10, 2016
Assignee: MSA Technology, LLC (Cranberry Township, PA)
Inventors: Yan Yang (Jiangsu), Yizheng Pu (Jiangsu), Chunmei Wu (Jiangsu)
Primary Examiner: Ruth McInroy
Application Number: 29/506,095
Classifications
Current U.S. Class:
Cranial (D29/102)