USD746438SActiveUtility

Respirator filter cover

Assignee: 3M INNOVATIVE PROPERTIES COPriority: May 22, 2014Filed: May 22, 2014Granted: Dec 29, 2015

Est. expiryMay 22, 2034(~7.8 yrs left)· nominal 20-yr term from priority

PatentIndex Score

Cited by

101

References

Claims

exact text as granted — not AI-modified

CLAIM 
     
       The ornamental design for a respirator filter cover, as shown and described.

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