USD492817SExpiredUtility

Protective helmet

63
Priority: Sep 2, 2003Filed: Sep 2, 2003Granted: Jul 6, 2004
Est. expirySep 2, 2023(expired)· nominal 20-yr term from priority
Inventors:Elwood J. B. Simpson
63
PatentIndex Score
12
Cited by
12
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD492817S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.