USD450381SExpiredUtility
Maximum expiratory pressure and cough simulation device
Est. expiryDec 15, 2020(expired)· nominal 20-yr term from priority
64
PatentIndex Score
13
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a maximum expiratory pressure and cough simulation device, as shown and described.
Join the waitlist — get patent alerts
Track USD450381S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.