USD732670SActiveUtility

Respirator filter

81
Assignee: 3M INNOVATIVE PROPERTIES COPriority: May 22, 2014Filed: May 22, 2014Granted: Jun 23, 2015
Est. expiryMay 22, 2034(~7.9 yrs left)· nominal 20-yr term from priority
Inventors:Gary E. Dwyer
81
PatentIndex Score
24
Cited by
38
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a respirator filter, as shown and described.

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