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US Patent 7931024 Cushion for a patient interface

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7931024
Date of Patent
April 26, 2011
Patent Application Number
11750823
Date Filed
May 18, 2007
Patent Citations Received
‌
US Patent 12083279 Breathing assistance apparatus
3
‌
US Patent 12017005 Mask system headgear
4
‌
US Patent 12076485 Ventilation mask
5
‌
US Patent 12076486 Breathing assistance apparatus
6
‌
US Patent 11660413 Breathing assistance apparatus
7
‌
US Patent D993394 Surgical mask
8
‌
US Patent 11712532 Breathing assistance apparatus
9
‌
US Patent 11766535 Breathing assistance apparatus
...
Patent Primary Examiner
‌
Edward Look
Patent abstract

A respiratory mask is provided having an outer shell coupled to a cushion for the delivery of a gas to a user. The cushion of the respiratory mask has a pleat and varied wall thicknesses about the device in order to provide varying degrees of flexibility and support about the cushion.

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