Mask cushion
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Where included, broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design. Where included, dotted lines represent the border between claimed and non-claimed subject matter and form no part of the claimed design.
The use of stippling is used to indicate shading.
Claims
The ornamental design for a mask cushion, as shown and described.
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Type: Grant
Filed: Apr 20, 2007
Date of Patent: Mar 24, 2009
Assignee: ResMed Limited (Bella Vista)
Inventors: Memduh Guney (Killara), Philip Rodney Kwok (Chatswood), Robin Garth Hitchcock (Carlingford), Lee James Veliss (West Ryde), Richard Sokolov (Earlwood), Donald Darkin (Dural)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Nixon & Vanderhye P.C.
Application Number: 29/274,383