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US Patent 6968844 Mask cover

Patent 6968844 was granted and assigned to Laerdal Medical (company) on November, 2005 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Current Assignee
Laerdal Medical (company)
Laerdal Medical (company)
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
69688441
Patent Inventor Names
Bernt Kvam Randeberg1
Frode Liland1
Date of Patent
November 29, 2005
1
Patent Application Number
103652181
Date Filed
February 12, 2003
1
Patent Citations Received
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US Patent 11992618 Mask with headgear and rigidizers
2
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US Patent 11890418 Interchangeable mask assembly
3
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US Patent 11969552 Mask system with radially positioned vent holes
4
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US Patent 12070552 Foam-based interfacing structure
5
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US Patent 12011540 Cushion/frame sub-assembly connectable to outer frame
6
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US Patent 11833277 Mask system with snap-fit shroud
7
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US Patent 11833305 Cushion/frame assembly for a patient interface
8
Patent Primary Examiner
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Aaron J. Lewis
1
Patent abstract

A cover, for a flexible patient breathing mask, which is made predominantly of a soft material and has an open bottom and an internal shape corresponding to the external shape of a patient mask. The cover has a socket piece opening opposite the open bottom. The socket piece opening corresponds to the socket piece on a patient mask. Openings are formed in the side faces of the cover, which allow visual access to the patient mask. The chin and cheek sections of the cover are deformable so that the mask is capable of distorting the cheek and chin sections of the breathing mask so that the mask is tightly fitted against the anatomy of the face of the patient to alter the shape of the cover through the application of force. The side edges of the cover may include at least one fastening device for straps for holding the cover and the mask tight against a patient's face, where the fastening device(s) may be hook-shaped.

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