USD542407SExpiredUtility
Vent for respiratory mask
Est. expiryJan 12, 2026(expired)· nominal 20-yr term from priority
92
PatentIndex Score
49
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a vent for a respiratory mask, as shown and described.Join the waitlist — get patent alerts
Track USD542407S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.