USD665892SActiveUtility

Air filter device

46
Assignee: MUELLER ALEXANDERPriority: Aug 2, 2011Filed: Jan 6, 2012Granted: Aug 21, 2012
Est. expiryAug 2, 2031(~5 yrs left)· nominal 20-yr term from priority
Inventors:Alexander MuellerSebastian Maier
46
PatentIndex Score
5
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air filter device, as shown and described.

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