USD787660SActiveUtility

Respirator mask having a face seal flexing region

57
Assignee: 3M INNOVATIVE PROPERTIES COPriority: May 22, 2014Filed: May 22, 2014Granted: May 23, 2017
Est. expiryMay 22, 2034(~7.9 yrs left)· nominal 20-yr term from priority
Inventors:William A. MittelstadtDavid R. SteinCharlie Wood
57
PatentIndex Score
9
Cited by
155
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a respirator mask having a face seal flexing region, as shown and described.

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.