USD692122SActiveUtility

Holding chamber for face mask

52
Assignee: VON HOLLEN DIRK ERNESTPriority: Apr 13, 2011Filed: Oct 12, 2011Granted: Oct 22, 2013
Est. expiryApr 13, 2031(~4.7 yrs left)· nominal 20-yr term from priority
Inventors:Dirk Von HollenEric A. LiebermanAshwin Kumar Kumar ViswanathRobert KoshinskieDonald Fraser Van Royen
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PatentIndex Score
9
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a holding chamber for face mask, as shown and described.

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