USD746974SActiveUtility

Exhalation valve flap

60
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Jul 15, 2013Filed: Jul 15, 2013Granted: Jan 5, 2016
Est. expiryJul 15, 2033(~7 yrs left)· nominal 20-yr term from priority
Inventors:Caroline M. YlitaloPhilip G. Martin
60
PatentIndex Score
10
Cited by
104
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an exhalation valve flap, as shown and described.

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