USD426032SExpiredUtility

Safety helmet

Assignee: HO CHANG-HSIENPriority: Jun 25, 1999Filed: Jun 25, 1999Granted: May 30, 2000
Est. expiryJun 25, 2019(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
94
PatentIndex Score
47
Cited by
5
References
1
Claims

Claims

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

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