USD249508SExpiredUtility

Audio speaker housing for protective helmets

66
Individually held — no corporate assignee on recordPriority: Mar 15, 1976Filed: Mar 15, 1976Granted: Sep 19, 1978
Est. expiryMar 15, 1996(expired)· nominal 20-yr term from priority
Inventors:Ronald D. CoughlinKenneth Pohlmann
66
PatentIndex Score
16
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the audio speaker housing for protective helmets, as shown.

Join the waitlist — get patent alerts

Track USD249508S — get alerts on status changes and closely related new filings.

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