USD543620SExpiredUtility
Adjustable forehead support dial for respiratory mask
Est. expiryJan 12, 2026(expired)· nominal 20-yr term from priority
88
PatentIndex Score
34
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an adjustable forehead support dial for a respiratory mask, as shown and described.Join the waitlist — get patent alerts
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