USD556325SExpiredUtility
Contoured nasal air purifier
Est. expiryMar 7, 2025(expired)· nominal 20-yr term from priority
Inventors:Robert C. Michaels
38
PatentIndex Score
4
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a contoured nasal air purifier, as shown and described.Join the waitlist — get patent alerts
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