USD277425SExpiredUtility
Safety helmet
Assignee: PROTECTOR SAFETY INDUSTRIES LTDPriority: Dec 17, 1981Filed: Dec 17, 1981Granted: Feb 5, 1985
Est. expiryDec 17, 2001(expired)· nominal 20-yr term from priority
Inventors:John B. Higginson
87
PatentIndex Score
43
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a safety helmet, as shown and described.
Join the waitlist — get patent alerts
Track USD277425S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.