USD674153SActiveUtility

Protective helmet

79
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Mar 12, 2012Filed: Mar 12, 2012Granted: Jan 8, 2013
Est. expiryMar 12, 2032(~5.7 yrs left)· nominal 20-yr term from priority
Inventors:Björn DanielsOskar JuhlinMartin BirathHenrik OlssonKristian Eke
79
PatentIndex Score
25
Cited by
11
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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