USD997329SActiveUtility
Air purification device
Est. expiryApr 6, 2043(~16.7 yrs left)· nominal 20-yr term from priority
47
PatentIndex Score
2
Cited by
20
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
We claim the ornamental design for an air purification device, as shown and described.Join the waitlist — get patent alerts
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