USD512534SExpiredUtility

Protective helmet

95
Assignee: HOS DEV CORPPriority: Apr 21, 2004Filed: Apr 21, 2004Granted: Dec 6, 2005
Est. expiryApr 21, 2024(expired)· nominal 20-yr term from priority
Inventors:Larry E. MadduxRaymond J. Drake, Jr.David E. BarnardWilliams C. LindemanRichard A. NelipovichDouglas S. RodenkirchGarrick D. S. Smith
95
PatentIndex Score
117
Cited by
27
References
1
Claims

Claims

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

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