USD605274SActiveUtility
Air filter
Est. expiryOct 19, 2026(~0.3 yrs left)· nominal 20-yr term from priority
87
PatentIndex Score
32
Cited by
13
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an air filter, as shown and described.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.