USD671270SActiveUtility

Safety helmet

Assignee: HO CHANG-HSIENPriority: Sep 1, 2011Filed: Sep 1, 2011Granted: Nov 20, 2012
Est. expirySep 1, 2031(~5.1 yrs left)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
79
PatentIndex Score
23
Cited by
11
References
1
Claims

Claims

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

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