USD597199SExpiredUtility
Respiratory mask frame
Est. expiryApr 28, 2026(expired)· nominal 20-yr term from priority
92
PatentIndex Score
39
Cited by
111
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a respiratory mask frame, as shown and described.Join the waitlist — get patent alerts
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