USD436694SExpiredUtility
Safety helmet
Priority: Mar 17, 2000Filed: Mar 17, 2000Granted: Jan 23, 2001
Est. expiryMar 17, 2020(expired)· nominal 20-yr term from priority
Inventors:Chang-Hsien Ho
75
PatentIndex Score
20
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for safety helmet, shown and described.
Join the waitlist — get patent alerts
Track USD436694S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.