USD757248SActiveUtility
Respiratory mask filter
Est. expiryMay 29, 2034(~7.8 yrs left)· nominal 20-yr term from priority
44
PatentIndex Score
5
Cited by
18
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a respiratory mask filter, as shown and described.Join the waitlist — get patent alerts
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