USD752728SActiveUtility

Air filtration device

59
Assignee: ILLINOIS TOOL WORKSPriority: Mar 15, 2013Filed: Jul 11, 2014Granted: Mar 29, 2016
Est. expiryMar 15, 2033(~6.7 yrs left)· nominal 20-yr term from priority
Inventors:Stephen J. McphilliamyAntonio BeltonJohn White
59
PatentIndex Score
7
Cited by
131
References
1
Claims

Claims

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

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