USD276380SExpiredUtility

Visor frame for a protective helmet

52
Assignee: HELLBERG PROT AKTIEBOLAGPriority: Feb 17, 1981Filed: Jul 16, 1981Granted: Nov 20, 1984
Est. expiryFeb 17, 2001(expired)· nominal 20-yr term from priority
Inventors:Goran Hellberg
52
PatentIndex Score
9
Cited by
2
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD276380S — get alerts on status changes and closely related new filings.

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