Mask cushion
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Description
Claims
The ornamental design for a mask cushion, as shown.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D613852
Type: Grant
Filed: Mar 9, 2009
Date of Patent: Apr 13, 2010
Assignee: ResMed Limited (Bella Vista)
Inventors: Muditha Pradeep Dantanarayana (Cherrybrook), Anthony Michael Ging (Vancouver), Gregory Scott Smart (Randwick), John M. Snow (Busselton), David John Worboys (Belrose)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Nixon & Vanderhye P.C.
Application Number: 29/311,411
Type: Grant
Filed: Mar 9, 2009
Date of Patent: Apr 13, 2010
Assignee: ResMed Limited (Bella Vista)
Inventors: Muditha Pradeep Dantanarayana (Cherrybrook), Anthony Michael Ging (Vancouver), Gregory Scott Smart (Randwick), John M. Snow (Busselton), David John Worboys (Belrose)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Nixon & Vanderhye P.C.
Application Number: 29/311,411
Classifications