USD398421SExpiredUtility

Protective helmet

96
Assignee: HORNELL ELEKTROOPTIK ABPriority: Dec 12, 1995Filed: Jun 11, 1996Granted: Sep 15, 1998
Est. expiryDec 12, 2015(expired)· nominal 20-yr term from priority
Inventors:Carl-Goran CrafoordHåkan BergkvistKjell I. MasesRutger Belin
96
PatentIndex Score
108
Cited by
7
References
1
Claims

Claims

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

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