USD521688SExpiredUtility

Protective helmet

79
Assignee: MED ENG SYSTEMS INCPriority: Sep 27, 2004Filed: Sep 27, 2004Granted: May 23, 2006
Est. expirySep 27, 2024(expired)· nominal 20-yr term from priority
Inventors:Aristidis MakrisJay SobelClint HedgeBratislav MitricRoderick FarrellJustin MylesRichard J. L'Abbe
79
PatentIndex Score
25
Cited by
17
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       We claim the ornamental design for a protective helmet, as shown and described.

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